Calculated Industries 4225-B User Manual

Pocket Reference Guide

➡

Insert This

Direction

ONSTRUCTIONMASTER

ONCRETECALC

™

ADVANCED FEET-INCH-FRACTION CALCULATOR

Model 4225

Designed for today’s concrete professional, the all-new

ConcreteCalc 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

•

Block Quantity Solutions

•

Footing Volume Calculations

•

Instant Square-Up (Diagonal) Solutions

•

Drop Distance Calculations

•

Circular Area and Circumference

•

Arc Length Calculations

•

Calculate Stair Risers, Treads, Stringers and Inclination Angle

•

Material Estimations

•

Paperless Tape

CONCRETECALC™PRO

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

Key Definitions.....................................1

Preference Settings...........................11

Entering Dimensions .........................13

Conversions.......................................14

Basic Math Operations......................16

Percentage Calculations....................17

Memory Operation .............................18

Paperless Tape ..................................19

USING THE CONCRETECALC PRO ...20

Length, Width, and Height Keys........20

Circle Calculations .............................23

Squaring-Up a Concrete Slab ...........26

Calculating Rebar..............................27

Calculating Loads..............................29

Blocks and Bricks..............................30

Polygon (Equal-Sided).......................31

Concrete Footing...............................32

Finding Weight Per Volume...............33

Concrete Bags ...................................33

Calculating Drop................................34

Stair Calculations...............................36

APPENDIX ............................................40

Accuracy/Errors.................................40

Battery and Auto Shut-Off.................41

Default Settings.................................42

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

Surface Area and Volume Formulas..44

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

Warranty, Repair and Return

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

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

TABLE OF CONTENTS

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.

Off Key

— Turns all power off, clearing all non-permanent registers.

On/Clear Key

— Turns on power. Pressing once clears the display. Pressing twice clears all temporary values.

Convert Key

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

Store Key

— Used for stor-

ing values.

Recall Key

— Recalls

stored values.

GETTING STARTED

POCKET REFERENCE GUIDE — 2

Unit Keys

Yards Key

— Enters or

converts to

Yards

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.,

6 f 9

i 1 / 2

). Repeated presses during conversions toggle between Fractional and Decimal Feet.

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.,

9 i

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.

Meters Key

— Enters or

converts to

Meters

Ç 7

Centimeters

— Enters or

converts to

Centimeters

(Cont’d)

POCKET REFERENCE GUIDE — 3

Ç 9

Millimeters

— Enters or

converts to

Millimeters

Ç 2

Acres

— Enters or con-

verts 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. This is a permanent entry; stored value holds when turned off.

Arc/Circle Keys

Arc

— Calculates arc Length or degree, chord Length, segment Area, pie slice Area and segment rise.

Circle

— Enters diameter and calculates circle Area and circumference.

Ç A

Radius

— Enters or calcu-

lates circle radius.

Ç W

Chord

— Enters or calculates the chord Length of a circle segment.

Ç h

Segment Rise

— Enters or calculates the rise of a circle segment.

(Cont’d)

POCKET REFERENCE GUIDE — 4

Construction Project Keys

Rebar Key

— Given stored or entered rebar inset, rebar size, rebar on-center spacing and entered Length and Width values calculates the following:

Press Result

1 Total Feet 2 Total Weight 3 Rebar Size 4 Rebar On-center 5 Rebar Inset 6 Stored Length 7 Stored Width

If you already know your total linear Feet of rebar, you can enter the Length to calculate the total Weight based on the Weight per Foot of the stored rebar size (e.g. 1 0 0 f

r r).

Ç r

Inset

— Stores rebar inset Default is 3 inches. Rebar inset is the spacing between the rebar and the perimeter of the forms or foundation.

Rebar Size Key

— Stores rebar size. Rebar size can be entered as a number for rebar sizes 3-11, 14, and 18(e.g., 5

R for number 5 rebar), or

as a decimal or fractional value not exceeding 6 Inches in diameter (e.g., 5 / 8

R for 5/8 Inch bar size).

Default is number 5 (5/8”).

POCKET REFERENCE GUIDE — 5

Ç R

Spacing

— Stores rebar on-center spacing. Default is 18”.

Loads Key

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

T L

Load Size

— Stores load size. Load size must be entered as a cubic value (e.g., 8 y y y T L). The default size is 8 cubic Yards.

Ç 5

Bags

— Calculates number of concrete bags for a given Volume and stored bag size.

T 5

Bag Size

— Stores bag size (Volume per bag of concrete). Bag size must be entered as a cubic value (e.g., • 6 7 f f f T 5). Default is

0.666667 cubic Feet per bag, based on a standard 80 pound bag.

Blocks/Bricks

— Calculates the number of concrete blocks required to fill a given Area. This key can also be used for calculating the number of “face” or “paver” bricks by storing a brick size (see

Block

Size

POCKET REFERENCE GUIDE — 6

T B

Block Size

— Stores the block size. Block size must be entered as a linear value or a square value. The default is 128 square Inches block Area and 16 Inches block Length.

Note: For bricks, you may also enter a brick size using

T B

. For example, when building with standard “face” bricks, store a brick size of 21 square Inches (e.g.,

2 1 i i T

or store 32 square Inches (e.g.,

3 2 i

i T B)

for “paver” bricks. This is based on Modular U.S. brick size of 3-5/8 Inches x 21/4 Inches x 7-5/8 Inches, including 3/8 Inch mortar = 4 Inches x 2-5/8 Inches x 8 Inches.

Square-Up Key

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

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.

Ç 8

Board Feet

— Enters or converts cubic values to board Feet.

Ç ç

Column/Cone

— Calculates the Volume and surface Area of a column and/or cone.

POCKET REFERENCE GUIDE — 7

Footing

— Finds quantity of concrete, based on entered wall Length and stored footing Area.

T F

Footing Area

— Stores footing Area. Footing Area must be entered as a square value (e.g.,

2 6 4

i i T F

).The default footing is 264 square Inches.

Ç l

Polygon

— Calculates full angle, bi-sect angle, side Length, perimeter and Area based on entered radius and number of sides.

POCKET REFERENCE GUIDE — 8

Stair Layout Key

s Given Height and/or Length

and stored variables, calculates or displays:

Press Result

1 Riser Height (R-HT) 2 Number of Risers

(RSRS)

3 Riser Overage/

Underage (R+/-) 4 Tread Width (T-WD) 5 Number of Treads

(TRDS)

6 Tread Overage/

Underage (T+/-) 7 Stairwell Opening

(OPEN)

8 Stringer Length

(STRG)

9 Angle of Incline (INCL) 10 Stored or Calculated

Run (RUN) 11 Stored or Calculated

Rise (RISE) 12 Stored Desired

Riser Height (R-HT) 13 Stored Desired

Tread Width (T-WD) 14 Stored Headroom

(HDRM)

15 Stored Floor

Thickness (FLOR)

(Cont’d)

POCKET REFERENCE GUIDE — 9

Ç s

Riser Limited

— Calculates

riser Height

and other stair values if you’re limited by local code. The calculated riser Height will never exceed the

stored

desired riser

Height.

STAIR DEFAULT VALUES

• 7-1/2” Desired Riser Height

• 10” Desired Tread Width

• 10” Floor Thickness

• 6’8” Headroom

Customizable Stair Settings

T 7 Stores Desired Riser

Height.

T 9 Stores Desired Tread

Width.

T 8 Stores Floor Thickness. Ç T TSets Headroom.

Miscellaneous Functions

a Backspace Key. ® = Paperless Tape. Ç T Preference Settings. Ç ÷

(1/x) Reciprocal

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

Ç x

Clear All

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

(Cont’d)

POCKET REFERENCE GUIDE — 10

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

and decimal degrees.

Ç %

— Squares the value in

the display.

Ç a ( ) Square Root. Ç / Exponential Notation (x10y). Ç 0 Total Cost (based on entry

of per unit cost).

T 0 Weight per Volume –

Stores a new

Weight per

Volume

value.

Note: After entering a value and pressing

, continue pressing the 0digit key until you’ve reached the desired Weight per Volume format. To recall your setting, press

® 0

Ç 6

Tons

— Enters or converts

to Tons.

Ç 4

Pounds

— Enters or con-

verts to Pounds.

Ç 3

Metric Tons

— Enters or

converts to Metric Tons.

Ç 1

Kilograms

— Enters or

converts to Kilograms.

µ Memory +. Ç µ (M–) Memory Minus. T 1 (M1) Storage Register. T 2 (M2) Storage Register. T 3 (M3) Storage Register. Ç ® Clear M+. ® ® Recall and Clear M+. ® µ, 1, Recall M+, M1, M2 or M3.

2 or 3

POCKET REFERENCE GUIDE — 11

PREFERENCE SETTINGS

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

Press the

+ key to advance within sub-

setting. Use the

– key to back up. Press

any key to exit Preferences.

PRESS Ç AND: SETTING--FUNCTION

First press Fractional Resolution: of

--1/16

+ --1/32 + --1/64 + --1/2 + --1/4 + --1/8 + --1/16

(repeats options)

Second press Area Displays: of

--Std.

+ --0. SQ FEET + --0. SQ YD + --0. SQ M + --Std.

(repeats options)

Third press Volume Displays: of

--Std.

+ --0. CU YD + --0. CU FEET + --0. CU M + --Std.

(repeats options)

(Cont’d)

POCKET REFERENCE GUIDE — 12

PRESS: SETTING--FUNCTION

Fourth press Headroom Height Setting: of T:

--6 FEET 8 INCH

+* --6 FEET 9 INCH –* --6 FEET 8 INCH

*Press +to increment or –to decrement by one inch.

Fifth press Exponential Mode: of T:

--OFF

+ --On + --OFF

(repeats options)

Sixth press Meter Linear Displays: of T:

--0.000 M

+ --FLOAt M

(floating point)

+ --0.000 M

(repeats options)

Seventh press Decimal Degree Displays: of T:

--0.00º

+ --FLOAt

(floating point)

+ --0.00º

(repeats options)

Eighth press Fractional Mode: of T:

--Std.

+ --COnSt + --Std.

(repeats options)

Note: Press oat anytime to exit the Preference Settings.

(Cont’d)

POCKET REFERENCE GUIDE — 13

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 oafter each entry):

DIMENSION KEYSTROKES

5 Yards 5 y 5 Feet 1-1/2 Inch 5 f 1 i 1 / 2

17.5 Meters 1 7 • 5 m

Square and Cubic Dimensions

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

DIMENSION KEYSTROKES

5 Cubic Yards 5 y y y 130 Square Feet 1 3 0 f f 33 Square Meters 3 3 m m

+ 36 hidden pages