Calculated Industries HeavyCalc Pro 4325 Pocket Reference Manual

Pocket Reference Guide

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CONSTRUCTION MASTER

®

HEAVYCALC™PRO

ADVANCED FEET-INCH-FRACTION CALCULATOR

Model 4325

Designed for today’s excavation and heavy
construction professional, the all-new
HeavyCalc Pro adds even more power to
the already powerful Construction Master
line-up. Like earlier models, this calculator is
so simple to use, even the novice user can
easily solve dimension-related problems.

• Solve Dimensional Math with Ease

• Dimensional Conversions

• Imperial/Metric Conversions

• Weight/Volume Conversions

• Rectangular Area/Volume Calculations

• Determine % Grade and Slope

• Solve Cut and Fill

• Find Bank, Loose and Compact
Volumes

• Instant Square-Up (Diagonal) Solutions

• Drop Distance Calculations

• Calculating Averages

• Material Estimations

• Paperless Tape

HEAVYCALC™PRO

GETTING STARTED ...................................1

KEY DEFINITIONS ..................................1

Basic Function Keys..............................1

Unit Keys ...............................................2

Length, Width and Height Keys.............3

Construction Project Keys .....................3

Excavation/Volume Keys .......................4

Miscellaneous Functions .......................6

PREFERENCE SETTINGS .....................8

ENTERING DIMENSIONS ....................10

Linear Dimensions...............................10

Square and Cubic Dimensions............10

CONVERSIONS.....................................11

Linear Conversions..............................11

Square and Cubic Conversions...........11

Weight Conversions.............................12

Weight per Volume Conversions .........12

Converting D:M:S ................................12

BASIC MATH OPERATIONS.................13

Adding and Subtracting Strings

of Dimensions....................................13

Multiplying Dimensions........................13

Dividing Dimensions ............................14

PERCENTAGE CALCULATIONS ..........14

MEMORY OPERATION.........................15

Using M+ .............................................15

Using Memory Storage

Keys (M1 - M3)..................................16

PAPERLESS TAPE................................17

USING THE HEAVYCALC PRO ...............18

LENGTH, WIDTH, AND HEIGHT KEYS......18

Using Multi-Function W Key to find

Area, Square-Up and Perimeter........18

Using Multi-Function h Key to find

Volume, Wall Area and Room Area .......18

VOLUME CALCULATIONS ...................19

TABLE OF CONTENTS

Simple Concrete Volume.....................19

Topsoil Volume.....................................20

Complex Concrete Volume..................21

Trench Volume.....................................23

RIGHT TRIANGLE PROBLEMS............24

Squaring-Up a Concrete Slab .............25

Finding Lot Width.................................26

Finding Drop or Fall.............................26

Finding Slope Ratio/Percent Grade.......28

Drop of Sloped Slab ............................29

Drop of Retaining Wall..........................30

CALCULATING LOADS.........................31

BASIC CUT/FILL SOLUTIONS..............32

Finding Cut or Fill – Exercise 1 ...........32

Finding Cut or Fill – Exercise 2 ...........33

Cubic Yards of Cut/Fill –

Grid Cell Method ...............................34

SHRINK AND SWELL SOLUTIONS —

MATERIAL VOLUME...........................35

Finding Loose Volume.........................36

Finding Trucked Volume/Weight –

Both Swell and Shrink Factors ..........37

APPENDIX.................................................39

Setting Fractional Resolution...............39

Default Settings ...................................40

Auto Shut-Off .......................................40

Accuracy/Errors ...................................41

Battery .................................................42

Replacing the Battery ..........................42

Reset ...................................................42

AREA AND VOLUME FORMULAS ..........43

Area Formulas .....................................43

Surface Area and Volume Formulas....44

REPAIR AND RETURN .............................45

Warranty, Repair and Return

Information.........................................45

WARRANTY ..............................................46

FCC CLASS B...........................................48

LOOKING FOR NEW IDEAS ....................48

POCKET REFERENCE GUIDE — 1

KEY DEFINITIONS

Basic Function Keys

+-x Arithmetic operation keys.
÷=

% Four-function (+, –, x, ÷)

percent key.

0 – 9 Keys used for entering
and • numbers.

O Off Key — Turns all power

off, clearing all non-perma­nent registers.

o On/Clear Key — Turns on

power. Pressing once clears
the display. Pressing twice
clears all temporary values.

Ç Convert Key — Used with

the dimensional keys to
convert between dimen­sions or with other keys to
access special functions.

S Store Key — Used for stor-

ing values.

® Recall Key — Recalls

stored values.

GETTING STARTED

POCKET REFERENCE GUIDE — 2

Unit Keys

y Yards Key — Enters or

converts to Yards.

f Feet Key — Enters or con-

verts to Feet as whole or
decimal numbers. Also
used with the i and /
keys for entering Feet-Inch
values (e.g., 6f9
i1/2). Repeated
presses during conversions
toggle between Fractional
and Decimal Feet.

i Inch Key — Enters or con-

verts to Inches. Entry can
be whole or decimal num­bers. Also used with the /
key for entering fractional
Inch values (e.g., 9i
1/2). Repeated press­es during conversions tog­gle between Fractional and
Decimal Inches.

/ Fraction Bar Key — Used

to enter Fractions. Fractions
can be entered as proper
(1/2, 1/8, 1/16) or improper
(3/2, 9/8). If the denomina­tor (bottom) is not entered,
the calculator's fractional
accuracy setting is auto­matically used.

m Meters Key — Enters or

converts to Meters.

POCKET REFERENCE GUIDE — 3

Ç7 Centimeters (cm) — Enters

or converts to Centimeters.

Ç9 Millimeters (mm) — Enters

or converts to Millimeters.

Ç2 Acres (Acre) — Enters or

converts to Acres.

Length, Width and Height Keys

l Enters Length for calculation

of Area or Volume.

W Enters Width and calculates

Area, Square-up and
perimeter.

h Enters Height and calculates

Volume, wall Area and total
room Area. Calculates Height
(Depth) based on entered
Width and Slope or Percent
Grade. This is a permanent
entry; stored value holds
when turned off.

Construction Project Keys

Í Slope — Enters or calcu-

lates a slope ratio or slope
angle. Calculates based on
entered Width and Height
(Depth).

ÇÍ Percent Grade (%Grade) —

Used to enter or solve Percent
Grade. Calculates Percent
Grade based on entered
Width and Height (Depth) or
Slope.

POCKET REFERENCE GUIDE — 4

s Square-Up Key —

Calculates the “Square-up”
(diagonal) Length given
entered Length and Width
values.

d Drop Key — Calculates

total drop (or fall) over an
entered Length given
entered percentage drop,
Inch per Foot drop, or
degrees of drop. Continued
presses will act as a “con­stant add,” for displaying
successive drops.

Excavation/Volume Keys

¬ Loads Key — Calculates

number of loads for a given
Volume or Length, Width,
and Height (Depth) values
and stored load size.

S¬ Load Size — Stores load

size. Load size must be
entered as a cubic value
(e.g., 8yyy
S¬). The default size
is 8 cubic Yards.

F Cut/Fill Key — Used to

enter or calculate the cut or
fill amount. Based on entries
of proposed and existing
benchmarks. A fill is dis­played as a positive value; a
cut as a negative value.

POCKET REFERENCE GUIDE — 5

e Existing Key — Used to

enter or calculate an existing
benchmark, Grade or value.

p Proposed Key — Used to

enter or calculate a proposed
benchmark, Grade or value.

b Bank Volume Key —

Enters or calculates the
Volume for bank fill material.
Bank fill is material in an
untouched, pristine state.

ç Compacted Volume Key —

Enters or calculates the
Volume for compacted fill
material. Compacted fill is
material that has been com­pacted.

Çç Percent Shrink (%Shrink)

— Enters or recalls percent
shrink factor for converting
between bank and com­pacted fill Volumes. Default
is 5%.

L Loose Volume Key —

Enters or calculates the
Volume for loose fill material.
Loose fill is material that has
been disturbed or excavated.

ÇL Percent Swell (%Swell) —

Enters or recalls the percent
swell factor used for con­verting between bank and
loose Volumes. Default is
10%.

POCKET REFERENCE GUIDE — 6

Miscellaneous Functions

a Backspace Key.
Ça ( ) Square Root.
®= Paperless Tape.
ÇS Preference Settings.
Ç÷ (1/x) Reciprocal — Finds

the reciprocal of a number
(e.g., 8Ç÷0.125).

Çx Clear All — Returns all

stored values to the default
settings. (Does not affect
Preference Settings.)

Ç- (+/–) Toggle.
Ç+ Pi (π) 3.141593.
Ç• Converts between D:M:S

and decimal degrees.

Ç% x

2

— Squares the value in

the display.

Ç/ Exponential Notation (x10y).
Ç0 Total Cost (based on entry

of per unit cost).

S0 Weight per Volume –

Stores a new Weight per
Volume value.

Note: After entering a value and pressing S0,
continue pressing the 0 digit key until you’ve
reached the desired Weight per Volume format.
To recall your setting, press ®0.

POCKET REFERENCE GUIDE — 7

Ç8 Degrees — Enters or con-

verts to degrees.

Ç6 Tons (tons) — Enters or

converts to Tons.

Ç4 Pounds (lbs) — Enters or

converts to Pounds.

Ç3 Metric Tons (met tons) —

Enters or converts to Metric
Tons.

Ç1 Kilograms (kg) — Enters

or converts to Kilograms.

µ Memory +.
ǵ (M–) Memory Minus.
S1 (M1) Storage Register.
S2 (M2) Storage Register.
S3 (M3) Storage Register.
Ç® Clear M+.
®® Recall and Clear M+.
®µ, 1, Recall M+, M1, M2 or M3.

2 or 3

POCKET REFERENCE GUIDE — 8

PREFERENCE SETTINGS

Press Ç, then S, then keep pressing
S to toggle through the main settings.

Press the + key to advance within sub­setting. Use the - key to back up. Press
o key to exit Preferences.

PRESS
Ç AND: SETTING--FUNCTION

First press Fractional Resolution:
of S: --1/16

+ --1/32
+ --1/64
+ --1/2
+ --1/4
+ --1/8
+ --1/16 (repeats options)

Second press Area Displays:
of S: --Std.

+ --0.

SQ FEET

+ --0. SQ YD
+ --0. SQ M
+ --Std. (repeats options)

Third press Volume Displays:
of S: --Std.

+ --0.

CU YD

+ --0. CU FEET
+ --0. CU M
+ --Std. (repeats options)

Fourth press Exponential Mode:
of S: --OFF

+ --On
+ --OFF (repeats options)

POCKET REFERENCE GUIDE — 9

Fifth press Meter Linear Displays:
of S: --0.000 M

+ --FLOAt M (floating point)
+ --0.000 M (repeats options)

Sixth press Decimal Degree Displays:
of S: --0.00º

+ --FLOAt (floating point)
+ --0.00º (repeats options)

Seventh press Fractional Mode:
of S: --Std.

+ --COnSt
+ --Std. (repeats options)

Note: Press o at anytime to exit the
Preference Settings.

POCKET REFERENCE GUIDE — 10

ENTERING DIMENSIONS

Linear Dimensions

When entering Feet-Inch values, enter
dimensions from largest to smallest — Feet
before Inches, Inches before Fractions.
Enter Fractions by entering the numerator
(top number), pressing / (Fraction Bar
key) and then the denominator (bottom
number).

Note: If a denominator is not entered, the frac­tional setting value is used.

Examples of how linear dimensions are
entered (press o after each entry):

DIMENSION KEYSTROKES

5 Yards 5y
5 Feet 1-1/2 Inch 5f1i1/2

17.5 Meters 17•5m

Square and Cubic Dimensions

Examples of how Square and Cubic
dimensions are entered (press o after
each entry):

DIMENSION KEYSTROKES

5 Cubic Yards 5yyy
130 Square Feet 130ff
33 Square Meters 33mm

POCKET REFERENCE GUIDE — 11

CONVERSIONS

Linear Conversions

Convert 10 Feet 6 Inches to other dimen­sions, including Metric:

KEYSTROKES DISPLAY

10f6i 10 FEET 6 INCH
Çf* 10.5 FEET
Çi* 126. INCH
Çy 3.5 YD
Çm 3.200 M
Ç9(mm) 3200.4 MM
Ç7(cm) 320.04 CM

*Repeated presses of f or i will toggle
between Feet-Inch-Fractions and Decimal Feet or
Inches.

Square and Cubic Conversions

Convert 14 Square Feet to Square Yards:

KEYSTROKES DISPLAY

14ff 14 SQ FEET
Çy 1.555556 SQ YD

Convert 12 Cubic Feet to Cubic Yards:

KEYSTROKES DISPLAY

12fff 12 CU FEET
Çy 0.444444 CU YD

POCKET REFERENCE GUIDE — 12

Weight Conversions

Convert 25 Tons to other Weights:

KEYSTROKES DISPLAY

25Ç6(tons) 25 Ton
Ç4(lbs) 50000. LB
Ç1(kg) 22679.62 kG
Ç3(met tons) 22.67962 MET Ton

Weight per Volume Conversions

Your calculator has the capability of con­verting between Weight and Volume. The
Weight/Volume ratio is permanently stored
by entering the value and pressing

S

S

0. The default value is 1.5 Tons per Cubic

Yard.

Find the Weight of 15 Cubic Yards at 1.75
Tons per Cubic Yard, then convert to other
Weights:

KEYSTROKES DISPLAY

1•75S0(wt/vol)

1.75

Ton Per CU YD

15yyy 15 CU YD
Ç6(tons) 26.25 Ton
Ç4(lbs) 52500. LB
Ç1(kg) 23813.6 kG
Ç3(met tons) 23.8136 MET Ton

Converting D:M:S

Convert 23° 42’ 39” to decimal degrees:

KEYSTROKES DISPLAY

oo 0.
23•42•39 DMS 23.42.39
Ç•(dms deg) 23.71°

STORED

POCKET REFERENCE GUIDE — 13

BASIC MATH OPERATIONS

Your calculator uses standard chaining
logic, which simply means that you enter
your first value, the operator (+, -, x,
÷), the second value and then the Equals
sign (=).

A. 3 + 2 = 5.
B. 3-2 = 1.
C. 3x2=6.
D. 3÷2=1.5

This feature also makes the calculator
simple to use for dimensional applications:

Adding and Subtracting Strings of
Dimensions

Add the following measurements:

• 6 Feet 2-1/2 Inches

• 11 Feet 5-1/4 Inches

• 18.25 Inches

Then subtract 2-1/8 Inches.

KEYSTROKES DISPLAY

6f2i1/2+
11f5i1/4+
18•25i= 19 FEET 2 INCH

-2i1/8=18 FEET 11-7/8 INCH

Multiplying Dimensions

Multiply 5 Feet 3 Inches by 11 Feet 6-1/2
Inches:

KEYSTROKES DISPLAY

5f3ix11f
6i1/2= 60.59375 SQ FEET

POCKET REFERENCE GUIDE — 14

Dividing Dimensions

Divide 30 Feet 4 Inches by 7 Inches:

KEYSTROKES DISPLAY

30f4i÷7i= 52.

Divide 20 Feet 3 Inches by 9:

KEYSTROKES DISPLAY

20f3i÷9= 2 FEET 3 INCH

PERCENTAGE CALCULATIONS

The % key can be used for finding a given
percent of a number or for working add-on,
discount or division percentage calcula­tions. It can be used with any type of
number, in any dimension (Feet, Inch,
Millimeter, etc) and any type of convention
(non-dimensioned, Linear, Square or Cubic).

Calculating Percentages

Find 18% of 500 Feet:

KEYSTROKES DISPLAY

500fx18% 90 FEET 0 INCH

Add 10% to 137 Square Feet:

KEYSTROKES DISPLAY

137ff+10%150.7 SQ FEET

Take 20% from 552 Feet 6 Inches:

KEYSTROKES DISPLAY

552f6i-20%

442 FEET 0 INCH

Divide 350 Cubic Yards by 80%:

KEYSTROKES DISPLAY

350yyy÷80%

437.5 CU YD

POCKET REFERENCE GUIDE — 15

MEMORY OPERATION

Whenever the µ key is pressed, the
displayed value will be added to the
Memory. Other memory functions:

FUNCTION KEYSTROKES

Add to Memory µ
Subtract from Memory ǵ
Recall total in Memory ®µ
Display/Clear Memory ®®
Clear Memory Ç®

Memory is semi-permanent, clearing only
when you:

1) turn off the calculator;

2) press ®®;

3) press Ç®;

4) press Çx(Clear All).

When Memory is recalled (®µ), con-
secutive presses of µ will display the cal­culated average and total count of the
accumulated values.

Using M+

KEYSTROKES DISPLAY

355µ M+ 355.
255µ M+ 255.
745ǵ(M-) M- 745.
®µ TTL – 135.
µ AVG – 45.
µ CNT 3.
®® M+ – 135.

M

M

M

STORED

M

M

M

POCKET REFERENCE GUIDE — 16

Using Memory Storage Keys (M1 - M3)

In addition to the standard cumulative
Memory (as previously described), your
calculator has three independent Storage
Registers – M1 through M3 – that can be
used to permanently store single, noncu­mulative values. The following example
shows the use of M1 (S1). To use M2
or M3, replace the presses of the 1 key
with presses of the corresponding number
key (2 or 3).

Your can replace a value in one of these
Memory registers by storing a new value in
place of the stored value.

FUNCTION KEYSTROKES

Store single value in M1 S1
Clear M1 0S1
Recall M1 ®1

Example:
Store 175 into M1, recall the value, and

then clear the value.

KEYSTROKES DISPLAY

175S1 M-1 175.
Oo 0.

®1 M-1 175.
0S1 M-1 0.

STORED

STORED

STORED

POCKET REFERENCE GUIDE — 17

PAPERLESS TAPE

The Paperless Tape allows you to display
and review the last 20 entries of a calcula­tion. ®=accesses the tape mode and
+ or - scrolls forward or backward
through the entries.

Note: The Paperless Tape is cleared each time
o is pressed twice, the unit is shut off, or a Clear
All is performed.

Previewing Paperless Tape

KEYSTROKES DISPLAY

1. Enter a string of numbers:

4f+ 4 FEET 0 INCH
5f+ 9 FEET 0 INCH
6f+ 15 FEET 0 INCH
7f= 22 FEET 0 INCH

2. Access the Tape function:

®= TTL= 22 FEET 0 INCH

3. Scroll from first value to total:

+ 01 4 FEET 0 INCH
+ 02+ 5 FEET 0 INCH
+ 03+ 6 FEET 0 INCH
+ 04+ 7 FEET 0 INCH
+ TTL= 22 FEET 0 INCH

4. Scroll to last two values:

- 04+ 7 FEET 0 INCH

- 03+ 6 FEET 0 INCH

5. Exit Tape function and continue:

=* TTL= 22 FEET 0 INCH
+ 22 FEET 0 INCH
2f= 24 FEET 0 INCH

*Displays total before exiting.

POCKET REFERENCE GUIDE — 18

LENGTH, WIDTH, AND HEIGHT KEYS

Using the Multi-Function W Key to
find Area, Square-Up, and Perimeter

Find the Area, Square-up and perimeter of
a room measuring 15’ x 20’.

KEYSTROKES DISPLAY

oo 0.
15fl LNTH 15

FEET 0 INCH

20fW WDTH 20 FEET 0 INCH
W AREA 300. SQ FEET
W SQUP 25 FEET 0 INCH
W PER 70 FEET 0 INCH

Using the Multi-Function h Key to
find Volume, Wall Area and Room Area

Find the Volume, wall Area and total
surface/room Area* if you have a Length
of 15 Feet, Width of 20 Feet and Height of
12 Feet.

*Room Area includes four walls plus ceiling Area.

KEYSTROKES DISPLAY

oo 0.
15fl LNTH 15 FEET 0 INCH
20fW WDTH 20 FEET 0 INCH
12fh HGHT 12 FEET 0 INCH
h VOL 3600. CU FEET
h WALL 840. SQ FEET
h ROOM 1140. SQ FEET

USING THE HEAVYCALC PRO

POCKET REFERENCE GUIDE — 19

VOLUME CALCULATIONS

Simple Concrete Volume

You need to calculate the Cubic Yards of
concrete required for pouring a driveway.
The measurements are as follows: 36 Feet
3 Inches by 11 Feet 6 Inches by 4 Inches
deep. What’s the Volume of the driveway?
If concrete costs $47 per Cubic Yard, how
much will the concrete cost?

KEYSTROKES DISPLAY

1. Clear calculator:

oo 0.

2. Enter Length, Width and Depth, then
find Volume in Cubic Yards:

36f3il

LNTH 36 FEET 3 INCH

11f6iW

WDTH 11 FEET 6 INCH

4ih HGHT 4 INCH
h VOL 5.146605 CU YD

3. Multiply by price per Cubic Yard to find
total cost:

x47Ç0(Cost) $241.

89

POCKET REFERENCE GUIDE — 20

Topsoil Volume

You are measuring a building perimeter for
calculating topsoil excavation. If the build­ing measurements are 45 Feet by 23 Feet,
and the Depth of topsoil to be removed is
8 Inches, what is the building Area and
Volume of topsoil to be removed?

KEYSTROKES DISPLAY

1. Clear calculator:

oo 0.

2. Enter Length and Width of the building:

45fl

LNTH 45

FEET 0 INCH

23fW

WDTH 23 FEET 0 INCH

3. Find building Area:

W AREA 1035. SQ FEET

4. Enter Depth to be removed:

8ih HGHT 8 INCH

5. Find Volume of topsoil:

h VOL 25.55556 CU YD

POCKET REFERENCE GUIDE — 21

Complex Concrete Volume

You’re going to pour an odd-shaped patio
4-1/2 Inches deep with the dimensions as
shown. First, calculate the total Area (by
dividing the drawing into three individual
rectangles) and then determine the total
cubic Yards of concrete required for this
job. What is the total cost of the concrete
if it is selling for $55 per Cubic Yard?

KEYSTROKES DISPLAY

1. Clear calculator:

oo 0.

(Cont’d)

A

B

C

27’ 0”

38’ 2”

8’ 6”

9’ 0”

4’ 2”

9’ 6”

POCKET REFERENCE GUIDE — 22

(Cont’d)

KEYSTROKES DISPLAY

2. Find Area “A” and add to Memory:

38f2i

-4f2i=l

LNTH 34 FEET 0 INCH

27fWWDTH 27 FEET 0 INCH
W AREA 918. SQ FEET
µ M+ 918. SQ FEET

3. Find Area “B” and add to Memory:

4f2il

LNTH 4 FEET 2 INCH

8f6iW

WDTH 8 FEET 6 INCH

W AREA 35.41667 SQ FEET
µ M+ 35.41667 SQ FEET

4. Find Area “C” and add to Memory:

9fl LNTH 9 FEET 0 INCH
9f6iW

WDTH 9 FEET 6 INCH

W AREA 85.5 SQ FEET
µ M+ 85.5 SQ FEET

5. Find Total Area/Volume and cost:

®® M+ 1038.917 SQ FEET
x4i1/2= 14.4294 CU YD
x55Ç0(Cost) $793.

62

M

M

M

M

M

M

M

M

M

POCKET REFERENCE GUIDE — 23

Trench Volume

You’re digging a trench that is 345 Feet
long, 24 Inches wide and 6 Feet deep.
Find the Volume of soil removed.

KEYSTROKES DISPLAY

1. Clear calculator:

oo 0.

2. Enter Length, Width and Depth (Height)
of trench:

345fl

LNTH 345 FEET 0 INCH

24iW WDTH 24 INCH
6fh HGHT 6 FEET 0 INCH

3. Find removed dirt Volume:

h VOL 153.3333 CU YD

POCKET REFERENCE GUIDE — 24

RIGHT TRIANGLE PROBLEMS

The calculator’s top two rows of keys
include built-in solutions to Square-up,
Drop, Percent Grade and Slope problems.

Square-up is calculated from the values
entered as Length and Width.

Slope and Percent Grade are calculated
using the values for Width and Height
(Depth).

A slope can be entered as:

• A Slope Ratio: •25Í*

• A percent grade: 25ÇÍ

• A slope angle: 5Ç8Í

*This represents a 4:1 slope ratio (e.g., 4Ç
÷Í).

Slope =

Depth

Width

POCKET REFERENCE GUIDE — 25

Squaring-up a Concrete Slab

Assume you want to “Square-up” the
forms for a concrete foundation measuring
45 Feet 6 Inches by 24 Feet 4 Inches. To
Square the forms, find the Square-up
(Diagonal) Length. If the slab is 4 Inches
thick, find the Area and Volume.

KEYSTROKES DISPLAY

1. Clear calculator:

oo 0.

2. Enter Length, Width and Height (Depth)
and solve for Area and Volume:

45f6il

LNTH 45 FEET 6 INCH

24f4iW

WDTH 24 FEET 4 INCH

W AREA 1107.167 SQ FEET
4ih HGHT 4 INCH
h VOL 13.66872 CU YD

3. Solve for Square-up:

s SQUP 51 FEET 7-3/16 INCH

24’ 4”

45’ 6”

Square-Up (Diagonal)

POCKET REFERENCE GUIDE — 26

Finding Lot Width

What is the Width of a lot that has a 5
Degree Slope and a total Drop of 2 Feet?

KEYSTROKES DISPLAY

1. Clear calculator:

oo 0.

2. Enter Slope and Drop:

5Ç8Í SLP 5.00°
2fh HGHT 2

FEET 0 INCH

3. Solve for Width:

W WDTH 22 FEET 10-5/16 INCH

Note: Slope and Percent Grade work with Width
and Height, not Length. Make sure to clear your
calculator (oo) before performing a
Length, Width and Height calculation.

Finding Drop or Fall

What is the total Drop over 25 Feet for a 5
Degree Slope? For a 5% Grade? For a 4:1
Slope?

KEYSTROKES DISPLAY

1. Clear calculator:

oo 0.

Solve Drop Using Slope degree

2. Enter 5° Slope and Width:

5Ç8Í SLP 5.00°
25fW

WDTH 25 FEET

0 INCH

POCKET REFERENCE GUIDE — 27

3. Solve for Drop:

h HGHT 2 FEET 2-1/4 INCH

Solve Drop Using Percent Grade

4. Enter 5% Grade:

5ÇÍ(%Grade) %GRD 5.

5. Solve for Drop:

h HGHT 1

FEET 3 INCH

Solve Drop Using Slope ratio

6. Enter 4:1 Slope:

4Ç÷(1/x) 0.25
Í SLP 0.25

7. Solve for Drop:

h (Depth) HGHT 6

FEET 3 INCH

POCKET REFERENCE GUIDE — 28

Finding Slope Ratio/Percent Grade

What is the Slope Ratio and Percent
Grade of a lot that drops 3 Feet 6 Inches
over 20 Feet?

KEYSTROKES DISPLAY

1. Clear calculator:

oo 0.

Solve for Slope ratio

2. Enter Drop (as Height):

3f6ih

HGHT 3 FEET 6 INCH

3. Enter Distance (as Width):

20fW

WDTH 20 FEET 0 INCH

4. Find Slope Ratio:

Í SLP 0.175

Solve for degree of Slope

5. Find Degree of Slope:

Í SLP 9.93°

Solve for Percent Grade

6. Find Percent Grade:

Í %GRD 17.5

POCKET REFERENCE GUIDE — 29

Drop of Sloped Slab

You’re pouring a sloped concrete slab with
a Length of 14 Feet. If the standard drop
or fall is 1/8 Inch per Foot, what is the total
drop or fall? What if the drop is 1/4 Inch
per Foot or .375 Inch per Foot?

KEYSTROKES DISPLAY

1. Clear calculator:

oo 0.

2. Enter total Length of slab:

14fl

LNTH 14

FEET 0 INCH

3. Enter 1/8 Inch drop per Foot and find
amount of drop:

1/8dd

DROP 0 FEET 1-3/4 INCH

4. Enter 1/4 Inch drop per Foot and find
amount of drop:

1/4dd

DROP 0 FEET 3-1/2 INCH

5. Enter .375 Inch drop per Foot and find
amount of drop:

•375idd

DROP 0 FEET 5-1/4 INCH

6. Convert to decimal Inches:

Çi 5.25 INCH

7. Convert to decimal Feet:

Çf 0.4375 FEET

POCKET REFERENCE GUIDE — 30

Drop of Retaining Wall

You’re building a 61 Feet 8 Inch retaining
wall along a driveway that slopes away at
1/4 Inch per Foot. There are 4 sections,
each measuring 15 Feet 5 Inches in
Length. What is the proper drop amount
for each section? What is the total (accu­mulated) drop Depth at the end of all four
sections?

KEYSTROKES DISPLAY

1. Clear calculator:

oo 0.

2. Enter wall section Length:

15f5il

LNTH 15

FEET 5 INCH

3. Enter drop per Foot to find the drop per
section and the total drop Depth at 1st
wall section:

1/4dd

DROP 0 FEET 3-7/8 INCH

4. Find total drop Depth of 2nd through 4th
wall sections:

d DROP 0 FEET 7-11/16 INCH
d DROP 0 FEET 11-9/16 INCH
d DROP 1 FEET 3-7/16 INCH

Note: Successive presses of d will continue to
add the drop amount of 3-7/8 Inches to the prior wall
section’s drop, for an accumulated drop total.

POCKET REFERENCE GUIDE — 31

CALCULATING LOADS

How many 8 Cubic Yard truck loads would
be needed to haul the dirt from an excava­tion measuring 108 Feet x 48 Feet and
1 Foot deep?

KEYSTROKES DISPLAY

1. Clear calculator:

oo 0.

2. Enter load size:

8yyyS¬

L-SZ 8.

CU YD

3. Enter site Length:

108fl

LNTH 108 FEET 0 INCH

4. Enter site Width:

48fW

WDTH 48 FEET 0 INCH

5. Enter site Depth:

1fh HGHT 1 FEET 0 INCH

6. Find number of loads:

¬ LOAD 24.

STORED

POCKET REFERENCE GUIDE — 32

BASIC CUT / FILL SOLUTIONS

Finding Cut or Fill — Exercise 1

Find the Cut/Fill marks or changes of ele­vations for a lot with a proposed elevation
of 4.0 Feet and existing elevations of 3.0
Feet, 4.5 Feet and 6.0 Feet.

KEYSTROKES DISPLAY

1. Clear calculator:

oo 0.

Solve for First Cut/Fill mark

2. Enter proposed elevation:

4fp PROP 4 FEET 0 INCH

3. Enter first existing elevation:

3fe EXST 3 FEET 0 INCH

4. Find first Cut/Fill:

F FILL 1 FEET 0 INCH

Solve for Second Cut/Fill mark

5. Enter second existing elevation:

4•5fe EXST 4.5 FEET

6. Find second Cut/Fill:

F CUT – 0 FEET 6 INCH

Solve for Third Cut/Fill mark

7. Enter third existing elevation:

6fe EXST 6 FEET 0 INCH

8. Find third Cut/Fill:

F CUT – 2 FEET 0 INCH

POCKET REFERENCE GUIDE — 33

Finding Cut or Fill — Exercise 2

Find the Cut/Fill marks for a lot that has a
proposed elevation of 15.5 Feet, and the
following existing elevations: 17.3 Feet,

20.7 Feet, 25.5 Feet and 11.8 Feet.

KEYSTROKES DISPLAY

1. Clear calculator:

oo 0.

Solve for First Cut/Fill mark

2. Enter proposed elevation:

15•5fp PROP 15.5

FEET

3. Enter first existing elevation:

17•3fe EXST 17.3 FEET

4. Find First Cut/Fill:

F CUT – 1.8 FEET

Solve for Second Cut/Fill mark

5. Enter second existing elevation:

20•7fe EXST 20.7 FEET

6. Find second Cut/Fill:

F CUT – 5.2 FEET

Solve for Third Cut/Fill mark

7. Enter third existing elevation:

25•5fe EXST 25.5 FEET

8. Find third Cut/Fill:

F CUT – 10. FEET

Solve for Fourth Cut/Fill mark

9. Enter fourth existing elevation:

11•8fe EXST 11.8 FEET

10. Find fourth Cut/Fill:

F FILL 3.7 FEET

POCKET REFERENCE GUIDE — 34

Cubic Yards of Cut/Fill
— Grid Cell Method

The four corner elevations of a Grid cell
are 75.4 Feet, 77.5 Feet, 74.6 Feet, and

80.5 Feet. If the proposed elevation is 83
Feet, and the Area of the Grid is 2,000
Square Feet, what is the Volume (in Cubic
Yards) of cut or fill required for this Grid
cell?

KEYSTROKES DISPLAY

1. Clear calculator:

oo 0.

Find average Existing Grid Elevation

2. Enter first through fourth elevation (in
Memory):

75•4fµ

M+ 75.4 FEET

77•5fµ

M+ 77.5 FEET

74•6fµ

M+ 74.6 FEET

80•5fµ

M+ 80.5 FEET

3. Find total:

®µ TTL 308. FEET

4. Find average:

µ AVG 77. FEET

M

M

STORED

M

M

M

M

POCKET REFERENCE GUIDE — 35

Solve for Cut or Fill

5. Enter average as existing elevation:

=e EXST 77. FEET

6. Enter proposed elevation:

83fp

PROP 83 FEET 0 INCH

7. Find Cut or Fill:

F FILL 6 FEET 0 INCH

Solve for Grid Volume

8. Enter Grid Area and find Volume:

x2000ff=

12000. CU FEET

9. Convert to Cubic Yards:

Çy 444.4444 CU YD

10. Clear M+:

oÇ® 0.

SHRINK AND SWELL SOLUTIONS
— MATERIAL VOLUME

The HeavyCalc is able to convert among
Bank Fill, Compacted Fill and Loose (or
trucked) Fill soil Cubic Yard Volumes. With
values entered for %-Shrink and %-Swell,
converting among these Volumes is done
with the press of a single key. Entered val­ues for Percent Shrink and Percent Swell
will remain in Memory until they are
revised or reset to their default values by
using Çx.

M

M

M

M

M

POCKET REFERENCE GUIDE — 36

Finding Loose Volume

How much dry gravel will be trucked out of
a hole to be dug that measures 10 Feet
long by 35 Feet wide by 15 Feet deep?
Assume dry gravel has a swell factor of
15%.

KEYSTROKES DISPLAY

1. Clear calculator:

oo 0.

Solve Bank Fill Volume

2. Enter Length, Width and Depth:

10fl

LNTH 10 FEET 0 INCH

35fW

WDTH 35 FEET 0 INCH

15fh

HGHT 15 FEET 0 INCH

3. Solve for Volume:

h VOL 5250. CU FEET
Çy 194.4444 CU YD

4. Enter as Bank Volume:

=b BANK 194.4444 CU YD

Solve Loose Fill Volume

5. Enter 15% swell factor:

15ÇL(%Swell)

%SWL 15.

6. Find Loose Volume:

L LOOS 223.6111 CU YD

STORED

POCKET REFERENCE GUIDE — 37

Finding Trucked Volume / Weight
— Both Swell and Shrink Factors

You need to move wet sand from one
location to another that requires a 4-Inch
fully compacted fill under a 125 Feet Long
by 75 Feet Wide slab. What is the trucked
(loose fill) Volume? Assume a Swell Factor
of 5% and a Shrink Factor of 10%. What is
the total Weight, in Tons, of the sand if it
Weighs 1.55 Tons per Cubic Yard?

KEYSTROKES DISPLAY

1. Clear calculator:

oo 0.

2. Enter Shrink/Swell Factors:

5ÇL(%Swell)

%SWL 5.

10Çç(%Shrink)

%SHR 10.

3. Enter Length, Width and Depth (Height):

125fl

LNTH 125

FEET 0 INCH

75fW

WDTH 75 FEET 0 INCH

4ih HGHT 4 INCH

4. Find Compacted Fill Volume and enter
into Compacted Volume:

h=ç COMP 115.7407 CU YD

5. Find Loose Volume:

L LOOS 135.0309 CU YD

(Cont’d)

STORED

STORED

POCKET REFERENCE GUIDE — 38

(Cont’d)

KEYSTROKES DISPLAY

6. Enter Unit Weight:

1•55S0(wt/vol)

1.55 Ton Per CU YD

7. Recall Bank Volume:

b BANK 128.6008 CU YD

8. Find Weight in Tons:

Ç6(tons) 199.3313 Ton

9. Clear calculator and restore default
values:

Çx(Clear All) 0.

STORED

POCKET REFERENCE GUIDE — 39

Setting Fractional Resolution

Fractional resolution is pemanently set via
the Preference Settings (see Preference
Settings section for instructions). To select
other formats temporarily (e.g., 1/64, 1/32,
etc.), see the example below:

Add 44/64 to 1/64 of an Inch and then
convert the answer to other fractional
resolutions:

KEYSTROKES DISPLAY

oo 0.
44/64 0-44/64 INCH
+1/64= 0-45/64 INCH
Ç1(1/16) 0-11/16 INCH
Ç2(1/2) 0-1/2 INCH
Ç3(1/32) 0-23/32 INCH
Ç4(1/4) 0-3/4 INCH
Ç6(1/64) 0-45/64 INCH
Ç8(1/8) 0-3/4 INCH
oo 0.

Note: Changing the Fractional Resolution on a
displayed value does not alter your Permanent
Fractional Resolution Setting. Pressing o will
return your calculator to the permanently set
Fractional Resolution.

APPENDIX

POCKET REFERENCE GUIDE — 40

Default Settings

After a Clear All (Çx), your calculator
will return to the following settings:

STORED VALUES DEFAULT VALUE

Load Size 8 CU YD
Percent Shrink 5%
Percent Swell 10%
Weight per Volume 1.5

Ton Per CU YD

If you replace your battery or perform a
Full Reset* (press O, hold down x, and
press o), your calculator will return to
the following settings (in addition to those
listed above):

PREFERENCE SETTINGS DEFAULT VALUE

Fractional Resolution 1/16
Area Display Standard
Volume Display Standard
Exponent Off
Meter Linear Display 0.000
Decimal Degree Display 0.00°
Fractional Mode Standard

*Depressing the Reset button located above the
l key will also perform a Full Reset.

Auto Shut-Off

Your calculator will shut itself off after
about 8-12 minutes of non-use.

POCKET REFERENCE GUIDE — 41

Accuracy/Errors
Accuracy/Display Capacity – Your calcu-

lator has a twelve digit display. This is
made up of eight digits (normal display)
and four fractional digits. You may enter or
calculate values up to 19,999,999.99.
Each calculation is carried out internally to
twelve digits.

Errors – When an incorrect entry is made,
or the answer is beyond the range of the
calculator, it will display the word
“ERROR.” To clear an error condition you
must press the o button once. At this
point you must determine what caused the
error and re-key the problem.

Error Codes

DISPLAY ERROR TYPE

OFLO Overflow (too large)
MATH Error Divide by 0
DIM Error Dimension error
ENT Error Invalid entry error

Auto-Range – If an “overflow” is created

because of a calculation with small units
that are out of the standard digit range of
the display, the answer will be automatical­ly expressed in the next larger units
(instead of showing “ERROR”) –
e.g., 20,000,000 mm is shown as 20,000 m.
Also applies to Inches, Feet and Yards.

Note: If Exponential Notation is activated through
the Preference Setting, the value will be shown
in scientific notation (e.g., 20 million mm –

2.00000

07

mm).

POCKET REFERENCE GUIDE — 42

Battery

This model uses one (1) CR-2016 battery
(included). This should last approximately
800 hours of actual use (1 year plus for
most people). Should your calculator dis­play become very dim or erratic, replace
the battery.

Note: Please use caution when disposing of your
old batteries as they contain hazardous chemicals.

Note

: Values in memory or shown on the display

will be cleared.

Replacement batteries are available at
most discount or electronics stores. You
may also call Calculated Industries at
1-775-885-4900.

Replacing the Battery

Turn the calculator over and open user
guide door located at the top. Pull battery
holder out (top left corner) and turn over.
Remove old battery and slide new battery
under tabs. Turn holder over (negative side
facing you) and insert into calculator.

Reset

If your calculator should ever “lock up,”
press Reset – a small hole located above
the l key – to perform a total reset.

POCKET REFERENCE GUIDE — 43

Area Formulas

AREA AND VOLUME FORMULAS

POCKET REFERENCE GUIDE — 44

Surface Area and Volume Formulas

POCKET REFERENCE GUIDE — 45

Warranty, Repair and Return Information

Return Guidelines

1. Please read the Warranty in this

User's Guide to determine if your
Calculated Industries product remains
under warranty before calling or
returning any device for evaluation or
repairs.

2. If your product won't turn on, check
the battery as outlined in the User's
Guide.

3. If you need more assistance, please
go to the website listed below.

4. If you believe you need to return your
product, please call a Calculated
Industries representative between the
hours of 8:00am and 4:00pm Pacific
Time for additional information and a
Return Merchandise Authorization
(RMA).

Call Toll Free: 1-800-854-8075

Outside USA: 1-775-885-4900

www.calculated.com/warranty

REPAIR AND RETURN

POCKET REFERENCE GUIDE — 46

Warranty Repair Service – U.S.A.

Calculated Industries (“CI”) warrants this product against
defects in materials and workmanship for a period of one
(1) year from the date of original consumer purchase in
the U.S. If a defect exists during the warranty period, CI,
at its option, will either repair (using new or remanufac­tured parts) or replace (with a new or remanufactured
calculator) the product at no charge.

THE WARRANTY WILL NOT APPLY TO THE PRODUCT
IF IT HAS BEEN DAMAGED BY MISUSE, ALTERATION,
ACCIDENT, IMPROPER HANDLING OR OPERATION,
OR IF UNAUTHORIZED REPAIRS ARE ATTEMPTED
OR MADE. SOME EXAMPLES OF DAMAGES NOT
COVERED BY WARRANTY INCLUDE, BUT ARE NOT
LIMITED TO, BATTERY LEAKAGE, BENDING, A
“BLACK INK SPOT” OR VISIBLE CRACKING OF THE
LCD, WHICH ARE PRESUMED TO BE DAMAGES
RESULTING FROM MISUSE OR ABUSE.

To obtain warranty service in the U.S., please go to the
website.

A repaired or replacement product assumes the remain­ing warranty of the original product or 90 days, whichever
is longer.

Non-Warranty Repair Service – U.S.A.

Non-warranty repair covers service beyond the warranty
period, or service requested due to damage resulting
from misuse or abuse.

Contact Calculated Industries at the number listed above
to obtain current product repair information and charges.
Repairs are guaranteed for 90 days.

Repair Service – Outside the U.S.A.

To obtain warranty or non-warranty repair service for
goods purchased outside the U.S., contact the dealer
through which you initially purchased the product. If you
cannot reasonably have the product repaired in your
area, you may contact CI to obtain current product repair
information and charges, including freight and duties.

WARRANTY

POCKET REFERENCE GUIDE — 47

Disclaimer

CI MAKES NO WARRANTY OR REPRESENTATION,
EITHER EXPRESS OR IMPLIED, WITH RESPECT TO
THE PRODUCT’S QUALITY, PERFORMANCE, MER­CHANTABILITY, OR FITNESS FOR A PARTICULAR
PURPOSE. AS A RESULT, THIS PRODUCT, INCLUD­ING BUT NOT LIMITED TO, KEYSTROKE PROCE­DURES, MATHEMATICAL ACCURACY AND PREPRO­GRAMMED MATERIAL, IS SOLD “AS IS,” AND YOU
THE PURCHASER ASSUME THE ENTIRE RISK AS TO
ITS QUALITY AND PERFORMANCE.

IN NO EVENT WILL CI BE LIABLE FOR DIRECT, INDI­RECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL
DAMAGES RESULTING FROM ANY DEFECT IN THE
PRODUCT OR ITS DOCUMENTATION.

The warranty, disclaimer, and remedies set forth above
are exclusive and replace all others, oral or written,
expressed or implied. No CI dealer, agent, or employee
is authorized to make any modification, extension, or
addition to this warranty.

Some states do not allow the exclusion or limitation of
implied warranties or liability for incidental or consequen­tial damages, so the above limitation or exclusion may
not apply to you. This warranty gives you specific rights,
and you may also have other rights, which vary from
state to state.

POCKET REFERENCE GUIDE — 48

This equipment has been certified to comply with the lim­its for a Class B computing device, pursuant to Subpart J
of Part 15 of FCC rules.

Calculated Industries, a leading manufacturer of special­function calculators and digital measuring instruments, is
always looking for new product ideas in these areas.

If you have an idea, or a suggestion for improving this
product or User's Guide, please submit your comments
online at www.calculated.com under “Contact Us”,
“Product Idea Submittal Agreement”. Thank you.

LOOKING FOR NEW IDEAS

FCC CLASS B

This equipment has been certified to comply
with the limits for a Class B computing device,
pursuant to Subpart J of Part 15 of FCC rules.

Software copyrighted and licensed to

Calculated Industries, Inc. by

Construction Master Technologies, LLC, 2006.

Pocket Reference Guide copyrighted by

Calculated Industries, Inc. © 2006.

HeavyCalc™ is a trademark, and

Construction Master® and Calculated Industries® are

registered trademarks of Calculated Industries, Inc.

ALL RIGHTS RESERVED

CALCULATED INDUSTRIES®

4840 Hytech Drive

Carson City, NV 89706 U.S.A.

1-800-854-8075 or 1-775-885-4900

Fax: [phone]

E-mail: [e-mail]

www.calculated.com

Designed in the USA

Printed in China

2/06

PRG4325E-B