Calculated Industries Construction Master 5 Reference Manual

The
Construction Master 5
calculator helps
you save time, cut costly errors and build
like a pro!
Quickly Solve:
• Problems Involving All Fractions — 1/2-1/64ths!
• Areas, Volumes and Weights
• Circle/Arc Calculations
• Common, Hip/Valley, Jack Rafter Lengths (Regular and Irregular)
• Rake-Wall Solutions
• Concrete, Flooring Quantity
• Roofing Materials
• Squaring-Up
• Stair Layout Solutions, and more!
CONSTRUCTION MASTER®5
v
3.1
GETTING STARTED...............................1
KEY DEFINITIONS/FUNCTIONS..........1
Basic Function Keys............................1
Dimension Keys...................................2
Arc/Circle Keys....................................4
Right Triangle/Roof Framing Keys......4
Stair Layout Key..................................7
Stair Settings.......................................8
Miscellaneous Functions.....................8
PAPERLESS TAPE EXAMPLE...........10
PREFERENCE SETTINGS .................11
ENTERING DIMENSIONS..................13
Linear Dimensions .............................13
Square and Cubic Dimensions ..........13
Linear Conversions............................14
Square and Cubic Conversions.........15
BASIC MATH OPERATIONS ..............15
EXAMPLES...........................................16
Adding and Subtracting Strings of
Dimensions.....................................16
Multiplying Dimensions ......................16
Dividing Dimensions..........................17
Percent Calculations..........................17
Square Area.......................................18
Rectangular Area and Volume...........18
Entering Square and Cubic and
Adding a Waste Allowance .............19
Weight Conversions ..........................19
Weight per Volume............................20
Using the Memory .............................21
Board Feet and Cost.........................22
Carpentry —
Calculating Number
of Studs
..........................................22
Baluster Spacing ...............................23
TABLE OF CONTENTS
Circle Area and Circumference .........24
Arc Angle or Degree ..........................24
Concrete Volume for Driveway..........25
Concrete Columns .............................25
Complex Concrete Volume................26
RIGHT ANGLE/FRAMING...................28
Squaring-Up a Foundation ................29
Pitch —
Converting Roof Angle
.........29
Converting Slope...............................30
Common Rafter Length.....................30
Regular Hip/Valley and Jack
Rafters ............................................31
Irregular Hip/Valley............................33
Rake-Wall —
No Base
.......................34
STAIRS................................................35
Stairs —
Given Rise and Run
...........35
Stairs —
Given Only the Floor-to-Floor Rise; Entering Other Than 7-1/2 Inch Desired Riser Height
......................37
APPENDIX ............................................38
Setting Fractional Resolution.............38
Default Settings.................................39
Auto-Shut Off .....................................39
Accuracy/Errors.................................40
Battery ...............................................41
Replacing the Battery........................41
Reset .................................................41
AREAAND VOLUME FORMULAS .....42
REPAIR AND RETURN.......................44
WARRANTY........................................45
FCC CLASS B.....................................47
LOOKING FOR NEW IDEAS..............47
POCKET REFERENCE GUIDE — 1
KEY DEFINITIONS/FUNCTIONS Basic Function Keys
+ – x Arithmetic operation keys. ÷ =
0 – 9 Keys used for entering and numbers.
%
Percent Key
— Four-func-
tion (+, –, x, ÷) percent key.
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.
Square Root Key
— Used to find the Square Root of a non-dimensional or area value.
Ç √
x2Function
— Finds the Square of a linear or non­dimensional value.
GETTING STARTED
POCKET REFERENCE GUIDE — 2
®
Recall Key
— Used with
other keys to
recall
stored
values and settings.
µ
Memory Key
— Adds the displayed value to Memory. Clears when the calculator is shut off.
Ç µ
Memory Minus (M–)
— Subtracts the displayed value from Memory.
Ç ®
Memory Clear
— Clears Memory without changing current display.
® ®
Memory Clear
— Clears Memory and displays Memory Total.
Dimension 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., 6 f 9 i 1 / 2). Repeated press­es during conversions tog­gle between Fractional and Decimal Feet.
POCKET REFERENCE GUIDE — 3
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., 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.
m
Meters Key
— Enters or
converts to
Meters
.
c
Centimeters Key
— Enters
or converts to
Centimeters
.
M
Millimeters Key
— Enters
or converts to
Millimeters
.
b
Board Feet Key
— Enters or converts Cubic values to Board Feet. One Board Foot is equal to 144 Cubic Inches.
POCKET REFERENCE GUIDE — 4
w
Weight Key
— Enters or converts (a volume value) to
Tons, Pounds, Metric
Tons
or
Kilograms
. Repeated presses will cycle through these units.
Arc/Circle Keys
C
Circle Key
— Calculates Circle Area and Circumference based on entered Diameter.
Ç C
Arc
— Calculates Arc Length or Degree based on entered Diameter and Arc Degree or Length (e.g., if Arc Degree is entered, it will calculate Arc Length, and vice versa).
Right Triangle/Roof Framing Keys
p
Pitch Key
— This key is used to enter or calculate the Pitch (Slope) of a roof (or Right Triangle). Pitch is the amount of “Rise” over 12 Inches of “Run.” Pitch may be entered as:
POCKET REFERENCE GUIDE — 5
a Dimension 9 i p an Angle 3 0 p a Ratio 0 • 7 5 Ç p a Percentage 7 5 % p
A Pitch entry will remain in permanent storage until revised or reset. Asolution will be replaced by its entered value once the calculator is cleared.
Ç p Enters Pitch Ratio (e.g., •
5 8 3 Ç p).
r
Rise Key
— Enters or cal­culates the Rise or vertical leg (height) of a Right Triangle.
R
Run Key
— Enters or cal­culates the Run or horizon­tal leg (base) of a Right Triangle.
d
Diagonal Key
— Enters or calculates the common or Diagonal leg (Hypotenuse) of a Right Triangle. Typical applications are “squaring” slabs or finding common rafter lengths.
H
Hip/Valley Key
— Calculates length of the Regular or Irregular Hip/ Valley rafter.
POCKET REFERENCE GUIDE — 6
Ç H
Irregular Pitch
— Enters
Irregular
Pitch used to cal­culate lengths of the Irregular Hip/Valley and Jack rafters.
j
Jack Key
— Calculates
Jack rafter lengths on the
Regular
-pitched roof side.
Ç j
Irregular Jack
— Calculates
Jack rafter lengths on the
Irregular
-pitched roof side.
Rake-Wall Key
— Finds the stud sizes based on entered Right Triangle val­ues and the stored On­Center spacing. If a dimen­sional value is entered before pressing , that value is considered the base and will be added to the stud lengths.
POCKET REFERENCE GUIDE — 7
Stair Layout Key
s
Stair Key
— Given Rise and/or Run and entered/ stored variables, calculates or displays:
Press Result
1 Riser Height 2 Number of Risers 3 Riser Overage/
Underage 4 Tread Width 5 Number of Treads 6 Tread Overage/
Underage 7 Stringer Length 8 Angle of Incline 9 Stored Run 10 Stored Rise 11 Stored Desired
Riser Height 12 Stored Desired
Tread Width
STAIR DEFAULT VALUES
• 7-1/2” Desired Riser Height
• 10” Desired Tread Width
POCKET REFERENCE GUIDE — 8
Stair Settings
You may set “desired Riser height” and “desired Tread width” to any
value
by
using the following keys:
Ç 7
Riser Height
— Stores a desired Riser height other than 7-1/2”
(default)
. For
example, enter 8 Inches:
8 i Ç 7.
Ç 9
Tread Width
— Stores a desired Tread width other than 10”
(default)
. For example, enter 12 Inches: 1 2 i Ç 9.
Miscellaneous Functions
B
Backspace Key
— Used to delete entries one key­stroke at a time (unlike the o function, which deletes the entire entry).
Ç ÷
1/x
— 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.)
Ç – (+/–) Toggle Ç + Pi (π) 3.141593
POCKET REFERENCE GUIDE — 9
Ç √
x
2
— Squares the value in
the display.
Square Root Key
— Used to find the Square Root of a non-dimensional or area value.
Ç •
Total Cost
— Based on
entry of per unit cost.
Ç 0
Store Weight per Volume
— Stores a new
Weight per
Volume
value as listed
below:
Note: After entering a value and pressing
Ç 0
, continue
pressing the
0
digit key until you’ve reached the desired Weight per Volume format. To recall your setting, press
® 0
.
• Ton Per CU YD
• LB Per CU YD
• LB Per CU FEET
• MET Ton Per CU M
• kG Per CU M This value is stored until
you change it or perform a
Clear All
(Ç x).
Ç 5
On-Center Spacing (o.c.)
— Stores a new on-center spacing (e.g., 2 4 i Ç 5). The value is used for jack and rake wall stud calculations. Default is 16”.
POCKET REFERENCE GUIDE — 10
® =
Paperless Tape
– Useful for checking figures, as it scrolls through your past 20 entries or calculations. Press ® = to access Paperless Tape mode. Press + or – to scroll for­ward or backward. Press = to exit mode and continue with a new entry or calcula­tion.
See example below.
PAPERLESS TAPE EXAMPLE
Add 6 Feet, 5 Feet and 4 Feet, then access the paperless tape mode and scroll back through your entries. Then, back up one entry, exit the tape mode and add 10 Feet to the total.
KEYSTROKE DISPLAY
o o 0. 6 f + 6 FEET 0 INCH 5 f + 11 FEET 0 INCH 4 f = 15 FEET 0 INCH ® = TTL= 15 FEET 0 INCH + 01 6 FEET 0 INCH + 02 + 5 FEET 0 INCH + 03 + 4 FEET 0 INCH 02 + 5 FEET 0 INCH = TTL= 15 FEET 0 INCH + 1 0 f = 25 FEET 0 INCH
POCKET REFERENCE GUIDE — 11
PREFERENCE SETTINGS
Press Ç, then %, then keep pressing % to toggle through the main settings. Press the + key to advance within sub-setting. Use the – key to back up. Press o key to exit Preferences.
PRESS Ç AND: SETTING--FUNCTION
First press of
%
: Fractional Resolution:
--1/16
+ --1/32 + --1/64 + --1/2 + --1/4 + --1/8 + --1/16
(repeats options)
Second press of
%
: Area Displays:
--Std.
+ --0.
SQ FEET
+ --0. SQ YD + --0. SQ M + --Std.
(repeats options)
Third press of
%
: Volume Displays:
--Std.
+ --0.
CU YD
+ --0. CU FEET + --0. CU M + --Std.
(repeats options)
(Cont’d)
POCKET REFERENCE GUIDE — 12
(Cont’d)
PRESS : SETTING--FUNCTION
Fourth press of %: Meter Linear Displays:
--0.000 M
+ --FLOAt M
(floating point)
+ --0.000 M
(repeats options)
Fifth press of %: Decimal Degree Displays:
--0.00º
+ --FLOAt
(floating point)
+ --0.00º
(repeats options)
Sixth press of %: Fractional Mode:
--Std.
+ --COnSt + --Std.
(repeats options)
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
POCKET REFERENCE GUIDE — 14
Linear Conversions
Convert 10 Feet 6 Inches:
KEYSTROKE DISPLAY
o o 0. 1 0 f 6 i 10 FEET 6 INCH Ç y 3.5 YD Ç i 126 INCH Ç m 3.200 M Ç c 320.04 CM Ç M 3200.4 MM
Convert 14 Feet 7-1/2 Inches to Decimal Feet:
KEYSTROKE DISPLAY
o o 0. 1 4 f 7 i 1 / 2
14 FEET 7-1/2 INCH
Ç f 14.625 FEET
Convert 22.75 Feet to Feet-Inches:
KEYSTROKE DISPLAY
o o 0. 2 2 • 7 5 f 22.75 FEET Ç f 22 FEET 9 INCH
POCKET REFERENCE GUIDE — 15
Square and Cubic Conversions
Convert 14 Square Feet to Square Yards:
KEYSTROKE DISPLAY
o o 0. 1 4 f f 14
SQ FEET
Ç y 1.555556 SQ YD
(1.6 square yards)
Convert 25 Square Yards to Square Feet:
KEYSTROKE DISPLAY
o o 0. 2 5 y y 25
SQ YD
Ç f 225. SQ FEET
Convert 12 Cubic Feet to Cubic Yards:
KEYSTROKE DISPLAY
o o 0. 1 2 f f f 12
CU FEET
Ç y 0.444444 CU YD 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. 3 x 2 = 6. D. 3 ÷ 2 = 1.5
This feature also makes the calculator sim­ple to use for dimensional applications.
POCKET REFERENCE GUIDE — 16
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:
KEYSTROKE DISPLAY
o o 0. 6 f 2 i 1 / 2 +
6 FEET 2-1/2 INCH
1 1 f 5 i 1 / 4 +
17 FEET 7-3/4 INCH
1 8 • 2 5 i = 19 FEET 2 INCH – 2 i 1 / 8 = 18 FEET 11-7/8 INCH
Multiplying Dimensions
What is the perimeter of a room with three walls which measure 15 Feet 3-3/4 Inches each?
KEYSTROKE DISPLAY
3 x 1 5 f 3 i 3 / 4 =
45
FEET 11-1/4 INCH
Multiply 5 Feet 3 Inches by 11 Feet 6-1/2 Inches:
KEYSTROKE DISPLAY
5 f 3 i x 1 1 f 6 i 1 / 2 = 60.59375
SQ FEET
EXAMPLES
POCKET REFERENCE GUIDE — 17
Dividing Dimensions
Divide 15 Feet 3-3/4 Inches into thirds (divide by 3):
KEYSTROKE DISPLAY
o o 0. 1 5 f 3 i 3 / 4 ÷ 3 =
5 FEET 1-1/4 INCH
How many 3-Foot 6-Inch pieces can you cut from one 25-foot board?
KEYSTROKE DISPLAY
o o 0. 2 5 f ÷ 3 f 6 i = 7.142857
(or 7 whole pieces)
Percent Calculations
Add a 10% waste allowance to 2.78 Cubic Yards:
KEYSTROKE DISPLAY
o o 0. 2 • 7 8 y y y + 1 0 %
3.058 CU YD
What is 25% of $1,575?
KEYSTROKE DISPLAY
o o 0. 1 5 7 5 x 2 5 % 393.75
POCKET REFERENCE GUIDE — 18
Square Area
Find the Area of a square room with sides measuring 15 Feet 8-1/2 Inches:
KEYSTROKE DISPLAY
o o 0. 1 5 f 8 i 1 / 2 Ç √
(x2)
246.7517 SQ FEET
Rectangular Area and Volume
Find the Area and Volume:
• Length: 20 Feet 6-1/2 Inches
• Width: 12 Feet 8-1/2 Inches
• Height: 10 Inches First, multiply the Length times the Width
to find the Area. Then, multiply the Area times the Height to find the Volume:
KEYSTROKE DISPLAY
o o 0. 2 0 f 6 i 1 / 2 x
20 FEET 6-1/2 INCH
1 2 f 8 i 1 / 2 x
261.0503 SQ FEET
1 0 i = 8.057109 CU YD
Convert to Feet:
Ç f 217.542 CU FEET
POCKET REFERENCE GUIDE — 19
Entering Square and Cubic and Adding a Waste Allowance
Add a 10% waste allowance to 55 Square Feet. Then add a 20% waste allowance to 150 Cubic Feet:
KEYSTROKE DISPLAY
o o 0. 5 5 f f + 1 0 % 60.5 SQ FEET 1 5 0 f f f + 2 0 %
180. CU FEET
Weight Conversions
Convert 150 Pounds to other weights (Tons, Metric Tons, Kilograms):
KEYSTROKE DISPLAY
o o 0. 1 5 0 w w* 150 LB Ç w 0.068039 MET Ton w 68.03886 kG w 0.075 Ton
*Calculator may not display Pounds upon first press of
w
; it depends on which unit was
accessed last. So press
w
until LB (or desired
unit) is displayed, then convert.
POCKET REFERENCE GUIDE — 20
Weight per Volume
Convert 20 Cubic Yards of concrete to Tons, Pounds, Metric Tons and Kilograms, if concrete weighs 1.5 Tons per Cubic Yard (default value):
KEYSTROKE DISPLAY
o o 0. 2 0 y y y 20 CU YD Ç w 30. Ton* w 60000. LB w 27.21554 MET Ton w 27215.54 kG
Now convert the above, if concrete weighs 2 Tons per Cubic Yard (store new Weight per Volume value):
KEYSTROKE DISPLAY
2 Ç 0 2. Ton Per CU YD 2 0 y y y 20 CU YD Ç w 36287.39 kG* w 40. Ton w 80000. LB w 36.28739 MET Ton Ç x ALL CLEARED
(Clear stored Wt/Vol)
*Calculator will present values in a different order based on previous computation; simply continue to press
w
key until desired value is
displayed.
STORED
POCKET REFERENCE GUIDE — 21
Using the Memory
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 Ç µ 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 Ç x
(Clear All)
.
When memory is recalled (® µ), con­secutive presses of µ will display the calculated average and total count of the accumulated values.
Example:
KEYSTROKE DISPLAY
3 5 5 µ M+ 355. 2 5 5 µ M+ 255. 7 4 5 Ç µ M- 745. ® µ TTL – 135. µ AVG – 45. µ CNT 3. ® ® M+ – 135.
M
M
M
STORED
M
M
M
POCKET REFERENCE GUIDE — 22
Board Feet and Cost
Find the total Board Feet for the following boards: 2x4x16, 2x10x18 and 2x12x20. What is the total cost at $275 per Mbm*?
*Per thousand Board Foot measure
KEYSTROKE DISPLAY
o o 0. 2 x 4 x 1 6 b µ
BDFT 10.66667
2 x 1 0 x 1 8 b µ
BDFT 30.
2 x 1 2 x 2 0 b µ
BDFT 40.
® ® BDFT 80.66667 x 2 7 5 Ç • $ 22.
18
Carpentry —
Calculating Number
of Studs
Find the number of 16-Inch On-Center studs needed for an 18 Feet 7-1/2 Inch wall.
KEYSTROKE DISPLAY
1. Divide Length by spacing:
o o 0. 1 8 f 7 i 1 / 2
18 FEET 7-1/2 INCH
÷ 1 6 i = 13.96875
(14 studs)
2. Add one for the end:
+ 1 = 14.96875
(15 studs)
Note: Also applies to trusses and joists.
M
M
M
POCKET REFERENCE GUIDE — 23
Baluster Spacing
You are going to install a handrail at the top of a balcony. Your total span is 156 Inches and you would like the space between the balusters to be about 4 Inches. If each baluster is 1-1/2 Inches wide, what is the exact spacing between each baluster?
KEYSTROKE DISPLAY
1. Estimate number of balusters in Span:
o o 0. 1 5 6 i ÷ 156 INCH 5 i 1 / 2 =* 28.36364
(28 balusters)
*desired spacing plus baluster width (4 Inches plus 1-1/2 Inch)
2. Find total space ‘occupied’ by the balus­ters by multiplying the width of each balus­ter by the rounded number of balusters (found above):
1 i 1 / 2 x 1-1/2 INCH 2 8 = 42 INCH
3. Find total space between all balusters:
1 5 6 i – 156 INCH 4 2 i = 114 INCH
4. Find actual baluster spacing by dividing total space between all balusters by the number of spaces between the balusters (number of balusters plus one equals 29):
1 1 4 i ÷ 114 INCH 2 9 = 3-15/16 INCH
POCKET REFERENCE GUIDE — 24
Circle Area and Circumference
Find the Area and Circumference of a Circle with a Diameter of 25 Inches:
KEYSTROKE DISPLAY
o o 0. 2 5 i C DIA 25 INCH C AREA 490.8739 SQ INCH C CIRC 78-9/16 INCH
Arc Angle or Degree
Find the Arc Angle (or Degree of Arc), given a 5-Foot Diameter and an Arc Length of 3 Feet 3 Inches:
KEYSTROKE DISPLAY
1. Enter Circle Diameter and Arc Length:
o o 0. 5 f C DIA 5 FEET 0 INCH 3 f 3 i 3 FEET 3 INCH
2. Find Degree of Arc:
Ç C ARC 74.48°
Dgm-ARC-102
POCKET REFERENCE GUIDE — 25
Concrete Volume for Driveway
Calculate the Cubic Yards of concrete required to pour a driveway that meas­ures: 45 Feet 5 Inches long x 13 Feet 6 Inches wide x 5 Inches deep. If concrete is $65 per Cubic Yard, what will it cost?
KEYSTROKE DISPLAY
o o 0. 4 5 f 5 i 45
FEET 5 INCH
x 1 3 f 6 i 13 FEET 6 INCH x 5 i = 9.461806 CU YD x 6 5 Ç • $ 615.
02
(total cost)
Concrete Columns
You’re going to pour five Columns, each of which has a Diameter of 3 Feet 4-1/2 Inches and a height of 11 Feet 6 Inches. How many Cubic Yards of concrete will you need for all five Columns?
KEYSTROKE DISPLAY
o o 0.
1. Enter the Diameter of a Circle:
3 f 4 i 1 / 2 C
DIA 3
FEET 4-1/2 INCH
2. Find the Surface Area of a Circle:
C AREA 8.946176 SQ FEET
3. Find Total Volume:
x 1 1 f 6 i =
102.881
CU FEET
Ç y 3.810408 CU YD x 5 = 19.05204 CU YD
POCKET REFERENCE GUIDE — 26
Complex Concrete Volume
You’re going to pour an odd-shaped patio 4-1/2 Inches deep with the dimensions shown below. First, calculate the total Area (by dividing the drawing into three individual rectangles) and then determine the total Yards of concrete required for this job.
A
B
C
27’ 0”
38’ 2”
8’ 6”
9’ 0”
4’ 2”
9’ 6”
Dgm-CCV-103
POCKET REFERENCE GUIDE — 27
KEYSTROKE DISPLAY
o o 0.
1. Find Area of Part “A” and add to Memory:
3 8 f 2 i – 4 f 2 i = 34 FEET 0 INCH x 2 7 f = 918. SQ FEET µ M+ 918. SQ FEET
2. Find Area of Part “B” and add to Memory:
4 f 2 i 4 FEET 2 INCH x 8 f 6 i =
35.41667 SQ FEET
µ M+ 35.41667 SQ FEET
3. Find Area of Part “C” and add to Memory:
9 f 9 FEET x 9 f 6 i = 85.5 SQ FEET µ M+ 85.5 SQ FEET
4. Recall and Clear Total Area Stored in Memory:
® ® M+ 1038.917 SQ FEET
5. Find Total Cubic Yards:
x 4 i 1 / 2 = 14.4294 CU YD
M
M
M
M
M
M
M
POCKET REFERENCE GUIDE — 28
RIGHT ANGLE/FRAMING
The top row of keys provide you with built­in solutions to Right Triangles. The solu­tions are available in any of the linear dimensions offered on the calculator. Thus, you can solve Right Triangles directly in Feet and Inches, Decimal Feet, Meters, etc.
Any value of a Right Triangle can be found given two of the four variables:
1) Rise, 2) Run, 3) Diagonal or 4) Pitch.
Dgm-RAF-104
POCKET REFERENCE GUIDE — 29
Squaring-Up a Foundation
Square-Up 15 Feet 6 Inch (Run) x 10 Feet 2 Inch (Rise):
KEYSTROKE DISPLAY
o o 0. 1 5 f 6 i R
RUN 15 FEET 6 INCH
1 0 f 2 i r
RISE 10 FEET 2 INCH
d DIAG 18 FEET 6-7/16 INCH Pitch —
Converting Roof Angle
Find the % Grade, Pitch Ratio/Slope and Pitch in Inches if the roof angle is 30.25°:
KEYSTROKE DISPLAY
o o 0. 3 0 • 2 5 p PTCH 30.25° p %GRD 58.31828 p SLP 0.583183 p PTCH 7 INCH
10’ 2”
15’ 6”
Square-Up (Diagonal)
Dgm-SUD-105
POCKET REFERENCE GUIDE — 30
Converting Slope
Find the Pitch in Inches, Pitch Degrees, and Percent Grade if the Pitch Ratio/Slope is 0.625:
KEYSTROKE DISPLAY
o o 0.
• 6 2 5 Ç p SLP 0.625 p PTCH 7-1/2 INCH p PTCH 32.01° p %GRD 62.5
Common Rafter Length
Find the Point-to-Point Length of the Common rafter on a 7/12-Pitched roof with a Span of 28 Feet:
KEYSTROKE DISPLAY
o o 0.
1. Enter Pitch:
7 i p PTCH 7 INCH
2. Enter half the Span as the Run:
2 8 f ÷ 2 = 14 FEET 0 INCH R RUN 14 FEET 0 INCH
3. Find the Rise:
r RISE 8 FEET 2 INCH
4. Find the Length of the Common rafter:
d DIAG 16 FEET 2-1/2 INCH
POCKET REFERENCE GUIDE — 31
Regular Hip/Valley and Jack Rafters
A roof ’s Pitch is 9/12 and half the total Span is 6 Feet. Find the lengths of the Common, Hip/Valley and Jack rafters (Jack rafters at 16 Inch On-Center spacing):
KEYSTROKE DISPLAY
1. Find the Common rafter length:
o o 0. 6 f R RUN 6 FEET 0 INCH 9 i p PTCH 9 INCH d
(Common)
DIAG 7 FEET 6 INCH
(Cont’d)
Dgm-Raft-106
POCKET REFERENCE GUIDE — 32
(Cont’d)
KEYSTROKE DISPLAY
2. Find the Hip/Valley rafter and Jack rafter lengths:
H H/V 9 FEET 7-1/4 INCH j JKOC 16 INCH* j JK 1 5 FEET 10 INCH j JK 2 4 FEET 2 INCH j JK 3 2 FEET 6 INCH j JK 4 0 FEET 10 INCH j JK 5 0 FEET 0 INCH
*Uses standard (default) 16-Inch On-Center. To enter a new On-Center (e.g., 18 Inches) press
1 8 i Ç 5
. Press
® 5
to review stored value. This value will remain stored until you re-enter a new value or perform a Clear All
(Ç x)
.
STORED
POCKET REFERENCE GUIDE — 33
Irregular Hip/Valley
You’re working with a 7/12 Pitch and half of your overall Span is 15 Feet 7 Inches. The Irregular Pitch is 8/12. Find the Common rafter length, Irregular Hip/Valley and Jack rafter lengths.
KEYSTROKE DISPLAY
o o 0.
1. Find Common Rafter Length:
7 i p PTCH 7 INCH 1 5 f 7 i R
RUN 15 FEET 7 INCH
d DIAG 18 FEET 0-1/2 INCH
2. Find Irregular Hip Rafter Length:
8 i Ç H IPCH 8 INCH H IH/V 22 FEET 7-3/8 INCH
3. Find Irregular Jack Lengths:
Ç j IJOC 16 INCH j* IJ1 14 FEET 11-13/16 INCH j IJ2 13 FEET 7 INCH j IJ3 12 FEET 2-3/16 INCH j IJ4 10 FEET 9-3/8 INCH j IJ5 9 FEET 4-1/2 INCH
Etc... Continue pressing juntil last regular Jack or “0.” is reached.
* It is not necessary to keep pressing
Ç
when
displaying the Irregular Jack sizes.
STORED
POCKET REFERENCE GUIDE — 34
Rake-Wall —
No Base
Find each stud size in a Rake-Wall with a peak of 3 Feet 6 Inches and a length of 6 Feet. Use 16 Inches as your spacing (default):
KEYSTROKE DISPLAY
1. Enter Rise and Run:
o o 0. 3 f 6 i r RISE 3 FEET 6 INCH 6 f R RUN 6 FEET 0 INCH
2. Find Stud Lengths:
RWOC 16 INCH RW 1 2 FEET 8-11/16 INCH RW 2 1 FEET 11-5/16 INCH RW 3 1 FEET 2 INCH RW 4 0 FEET 4-11/16 INCH BASE 0 FEET 0 INCH
3. Find Rake-Wall Angle of Incline:
RW 30.26°
Note: To enter a base, enter the base height prior to pressing the
key (e.g.,
5 f ∑).
STORED
POCKET REFERENCE GUIDE — 35
STAIRS
Stairs —
Given Rise and Run
You’re going to build a stairway that has a Floor-to-Floor height of 10 Feet 1 Inch, a Run of 12 Feet 5 Inches, and a desired Riser Height of 7-1/2 Inches (default). Find the stair values:
KEYSTROKE DISPLAY
1. Enter Rise and Run:
o o 0. 1 0 f 1 i r
RISE 10 FEET 1 INCH
1 2 f 5 i R
RUN 12 FEET 5 INCH
(Cont’d)
Dgm-Stairs-107
POCKET REFERENCE GUIDE — 36
(Cont’d)
KEYSTROKE DISPLAY
2. Recall stored 7-1/2 Inch desired Riser Height and find stair values:
® s R-HT 7-1/2 INCH s R-HT 7-9/16 INCH* s RSRS 16. s R+/– 0 INCH s T-WD 9-15/16 INCH* s TRDS 15. s T+/– 0-1/16 INCH s STRG 15 FEET 7-5/16 INCH s INCL 37.27°
*A in the display means the calculated Riser Height or Tread Width is greater than the stored desired Riser Height or Tread Width.
STORED
POCKET REFERENCE GUIDE — 37
Stairs —
Given Only the Floor-to-Floor Rise; Entering Other Than 7-1/2 Inch Desired Riser Height
Find stair values if the Floor-to-Floor Rise is 12 Feet 6 Inches, and the desired Riser Height is 8 Inches:
KEYSTROKE DISPLAY
1. Enter desired Riser Height and Floor-to­Floor Rise:
o o 0. 8 i Ç 7 R-HT 8 INCH 1 2 f 6 i r
RISE 12 FEET 6 INCH
2. Calculate stair values:
s R-HT 7-7/8 INCH s RSRS 19. s R+/– – 0-3/8 INCH s T-WD 10 INCH s TRDS 18. s T+/– 0 INCH s STRG 19 FEET 1-1/8 INCH s INCL 38.22° s RUN 15 FEET 0 INCH* s RISE 12 FEET 6 INCH s R-HT 8 INCH s T-WD 10 INCH
*Note: Run is calculated based on Tread values, as it was not entered. The Total Run of a stair­way is equal to the width of each Tread multi­plied by the number of Treads.
STORED
STORED
STORED
STORED
STORED
POCKET REFERENCE GUIDE — 38
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., 1/64ths, 1/32nds, etc.), see the example below:
Add 44/64th to 1/64th of an inch and then convert the answer to other fractional resolutions:
KEYSTROKE DISPLAY
o o 0. 4 4 / 6 4 0-44/64 INCH + 1 / 6 4 = 0-45/64 INCH Ç 1
(1/16)
0-11/16 INCH
Ç 2
(1/2)
0-1/2 INCH
Ç 3
(1/32)
0-23/32 INCH
Ç 4
(1/4)
0-3/4 INCH
Ç 6
(1/64)
0-45/64 INCH
Ç 8
(1/8)
0-3/4 INCH
o o 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 — 39
Default Settings
After a
Clear All
(Ç x), your calculator
will return to the following settings:
STORED VALUES DEFAULT VALUE
Stair Riser Height 7-1/2 Inch Stair Tread Width 10 Inch On-Center Spacing 16 Inch Weight per Volume 1.5 Tons/Cu Yd
If you replace your batteries 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 Meter Linear Display 0.000 Decimal Degree Display 0.00° Fractional Mode Standard
*Depressing the Reset button located above the
p
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 — 40
Accuracy/Errors Accuracy/Display Capacity
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 hit the o button once. At this point you must determine what caused the error and re-key the problem.
Error Codes:
DISPLAY ERROR TYPE
0FL0 Overflow (too large to
display) DIV Error Divide by 0 DIM Error Dimension error ENT Error Entry error None Attempt to calculate stairs
without entering Rise and
Run Auto-Range — If an “overflow” is created
because of an input and calculation with small units that are out of the standard 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.
POCKET REFERENCE GUIDE — 41
Battery
This model uses one (1) CR2016 battery (included). 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.
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 p key — to perform a total reset.
POCKET REFERENCE GUIDE — 42
AREA AND VOLUME FORMULAS Area Formulas
Dgm-AF-100
POCKET REFERENCE GUIDE — 43
Volume Formulas
Dgm-VF-101
POCKET REFERENCE GUIDE — 44
REPAIR AND RETURN 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 to 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
POCKET REFERENCE GUIDE — 45
WARRANTY 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 on the back cover 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.
POCKET REFERENCE GUIDE — 46
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 ARESULT, THIS PRODUCT, INCLUD­ING BUT NOT LIMITED TO, KEYSTROKE PROCE­DURES, MATHEMATICALACCURACY 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 — 47
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.
LOOKING FOR NEW IDEAS
Calculated Industries, a leading manufac­turer of special-function 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.
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