Calculated Industries CONSTRUCTION MASTER 5 Pocket Reference Manual
Advanced feet-inch-fraction calculator
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Summary of Contents for Calculated Industries CONSTRUCTION MASTER 5
- Page 1 ONSTRUCTION ASTER ® DV NCED FEET-INCH-FR CTION C LCUL TOR Pocket Reference Guide Model 4050 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
- Page 2 ONSTRUCTION ASTER ® The Construction Master 5 calculator helps you save time, cut costly errors and build like a pro! Quickly Solve: • Feet-Inches-Fractions, Yards, Metric Dimensional Problems and Conversions • Problems Involving All Fractions — 1/2-1/64ths! • Areas, Volumes and Weights •...
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Page 3: Table Of Contents
TABLE OF CONTENTS 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... - Page 4 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 —...
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Page 5: Getting Started
GETTING STARTED KEY DEFINITIONS / FUNCTIONS Basic Function Keys Arithmetic operation keys. + – x ÷ = 0 – 9 Keys used for entering and • numbers. Percent Key — Four-func- tion (+, –, x, ÷) percent key. Off Key — Turns all power off, clearing all non-perma- nent registers. -
Page 6: Dimension Keys
Recall Key — Used with other keys to recall stored ® values and settings. Memory Key — Adds the displayed value to Memory. µ Clears when the calculator is shut off. Memory Minus (M–) — Subtracts the displayed Ç µ value from Memory. - Page 7 Inch Key — Enters or con- verts to Inches. Entry can be whole or decimal num- bers. 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.
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Page 8: Arc/Circle Keys
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 Circle Key — Calculates Circle Area and Circumference based on entered Diameter. Arc — Calculates Arc Length or Degree based on Ç... - Page 9 a Dimension an Angle 9 i p a Ratio 0 • 7 5 Ç p 3 0 p a Percentage 7 5 % p A Pitch entry will remain in permanent storage until revised or reset. A solution will be replaced by its entered value once the calculator is cleared.
- Page 10 Irregular Pitch — Enters Irregular Pitch used to cal- Ç H culate lengths of the Irregular Hip/Valley and Jack rafters. Jack Key — Calculates Jack rafter lengths on the Regular-pitched roof side. Irregular Jack — Calculates Jack rafter lengths on the Ç...
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Page 11: Stair Layout Key
Stair Layout Key Stair Key — Given Rise and/or Run and entered/ stored variables, calculates or displays: Press Result Riser Height Number of Risers Riser Overage/ Underage Tread Width Number of Treads Tread Overage/ Underage Stringer Length Angle of Incline Stored Run Stored Rise Stored Desired... -
Page 12: Stair Settings
Stair Settings You may set “desired Riser height” and “desired Tread width” to any value by using the following keys: Riser Height — Stores a desired Riser height other Ç 7 than 7-1/2” (default). For example, enter 8 Inches: 8 i Ç 7. Tread Width —... - Page 13 — Squares a linear or non-dimensional value. Ç √ Total Cost — Based on entry of per unit cost. Ç • Store Weight per Volume — Stores a new Weight per Ç 0 Volume value as listed below: Note: After entering a value and pressing Ç...
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Page 14: Paperless Tape Example
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 for- ward or backward. Press = to exit mode and continue with a new entry or calcula- tion. -
Page 15: Preference Settings
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 %:... - Page 16 (Cont’d) PRESS : SETTING--FUNCTION Fourth press of %: Meter Linear Displays: --0.000 --FLOAt (floating point) --0.000 (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.
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Page 17: Entering Dimensions
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 denomina- tor (bottom number). Note: If a denominator is not entered, the frac- tional setting value is used. -
Page 18: Linear Conversions
Linear Conversions Convert 10 Feet 6 Inches: KEYSTROKE DISPLAY FEET INCH 1 0 f 6 i Ç y INCH 3.200 Ç i 320.04 Ç m 3200.4 Ç c Ç M Convert 14 Feet 7-1/2 Inches to Decimal Feet: KEYSTROKE DISPLAY 7-1/2 1 4 f 7 i 1 / 2 FEET... -
Page 19: Square And Cubic Conversions
Square and Cubic Conversions Convert 14 Square Feet to Square Yards: KEYSTROKE DISPLAY SQ FEET 1.555556 1 4 f f SQ YD (1.6 square yards) Ç y Convert 25 Square Yards to Square Feet: KEYSTROKE DISPLAY SQ YD 225. 2 5 y y SQ FEET Ç... -
Page 20: Examples
EXAMPLES 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 2-1/2 6 f 2 i 1 / 2 + FEET INCH 7-3/4 1 1 f 5 i 1 / 4 +... -
Page 21: Dividing Dimensions
Dividing Dimensions Divide 15 Feet 3-3/4 Inches into thirds (divide by 3): KEYSTROKE DISPLAY 1-1/4 1 5 f 3 i 3 / 4 ÷ 3 = FEET INCH How many 3-Foot 6-Inch pieces can you cut from one 25-foot board? KEYSTROKE DISPLAY 2 5 f ÷... -
Page 22: Square Area
Square Area Find the Area of a square room with sides measuring 15 Feet 8-1/2 Inches: KEYSTROKE DISPLAY 1 5 f 8 i 1 / 2 Ç √ (x 246.7517 SQ FEET Rectangular Area and Volume Find the Area and Volume: •... -
Page 23: Entering Square And Cubic And Adding A Waste Allowance
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 60.5 SQ FEET 5 5 f f + 1 0 % 180. -
Page 24: Weight Per Volume
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 CU YD 2 0 y y y 60000. Ç w 27.21554 MET Ton 27215.54 Now convert the above, if concrete weighs 2 Tons per Cubic Yard (store new Weight... -
Page 25: Using The Memory
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 Subtract from Memory Ç µ µ Recall total in Memory ® µ Display/Clear Memory ® ® Clear Memory Ç... -
Page 26: Board Feet And Cost
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 BDFT 10.66667 2 x 4 x 1 6 b µ BDFT 30. -
Page 27: Baluster Spacing
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... -
Page 28: Circle Area And Circumference
Circle Area and Circumference Find the Area and Circumference of a Circle with a Diameter of 25 Inches: KEYSTROKE DISPLAY DIA 25 INCH AREA 490.8739 2 5 i C SQ INCH 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... -
Page 29: Concrete Volume For Driveway
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 FEET... -
Page 30: Complex Concrete Volume
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. 27’... - Page 31 KEYSTROKE DISPLAY 1. Find Area of Part “A” and add to Memory: 3 8 f 2 i – FEET INCH 918. 4 f 2 i = SQ FEET M+ 918. x 2 7 f = SQ FEET µ 2. Find Area of Part “B” and add to Memory: FEET INCH 4 f 2 i...
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Page 32: Right Angle/Framing
RIGHT ANGLE / FRAMING The top row of keys provide you with built- in solutions to Right Triangles. The solu- tions 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. -
Page 33: Squaring-Up A Foundation
Squaring-Up a Foundation 15’ 6” Square-Up 15 Feet 6 Inch (Run) x 10 Feet 2 Inch (Rise): KEYSTROKE DISPLAY RUN 15 1 5 f 6 i R FEET INCH RISE 10 1 0 f 2 i r FEET INCH DIAG 18 6-7/16 FEET INCH... -
Page 34: Converting Slope
Converting Slope Find the Pitch in Inches, Pitch Degrees, and Percent Grade if the Pitch Ratio/Slope is 0.625: KEYSTROKE DISPLAY SLP 0.625 PTCH 7-1/2 • 6 2 5 Ç p INCH PTCH 32.01° %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... -
Page 35: Regular Hip/Valley And Jack Rafters
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: RUN 6 FEET INCH... - Page 36 (Cont’d) KEYSTROKE DISPLAY 2. Find the Hip/Valley rafter and Jack rafter lengths: H/V 9 7-1/4 FEET INCH JKOC INCH STORED JK 1 5 FEET INCH JK 2 4 FEET INCH JK 3 2 FEET INCH JK 4 0 FEET INCH JK 5 0 FEET INCH...
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Page 37: Irregular Hip/Valley
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 1. Find Common Rafter Length: PTCH 7 INCH 7 i p... -
Page 38: Rake-Wall - No Base
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: 3 f 6 i r RISE 3 FEET INCH RUN 6... -
Page 39: Stairs
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... - Page 40 (Cont’d) KEYSTROKE DISPLAY 2. Recall stored 7-1/2 Inch desired Riser Height and find stair values: R-HT 7-1/2 INCH STORED ® s R-HT 7-9/16 INCH RSRS 16. R+/– 0 INCH T-WD 9-15/16 INCH TRDS 15. T+/– 0-1/16 INCH STRG 15 7-5/16 FEET INCH INCL 37.27°...
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Page 41: Stairs - Given Only The Floor-To-Floor Rise; Entering Other Than 7-1/2 Inch Desired Riser Height
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-to- Floor Rise: R-HT INCH... -
Page 42: Appendix
APPENDIX 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... -
Page 43: Default Settings
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 battery or perform a Full Reset* (press O, hold down x, and press o), your calculator will return to... -
Page 44: Accuracy/Errors
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.”... -
Page 45: Battery
Note: Please use caution when disposing of your old battery, as it contains hazardous chemicals. Replacement battery is available at most discount or electronics stores. You may also call Calculated Industries at 1-775-885-4900. Replacing the Battery While the calculator is off, turn the... -
Page 46: Area And Volume Formulas
AREA AND VOLUME FORMULAS Area Formulas — 42 OCKET EFERENCE UIDE GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com... - Page 47 Volume Formulas — 43 OCKET EFERENCE UIDE GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
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Page 48: Repair And Return
Warranty, Repair and Return Information Return Guidelines 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. If your product won't turn on, check the battery as outlined in the User's Guide. -
Page 49: Warranty
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. - Page 50 Disclaimer CI MAKES NO WARRANTY OR REPRESENTATION, EITHER EXPRESS OR IMPLIED, WITH RESPECT TO THE PRODUCT’S QUALITY, PERFORMANCE, MER- CHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE. AS A RESULT, THIS PRODUCT, INCLU- DING BUT NOT LIMITED TO, KEYSTROKE PROCE- DURES, MATHEMATICAL ACCURACY AND PREPRO- GRAMMED MATERIAL, IS SOLD “AS IS,”...
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Page 51: Fcc Class B
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 calcula- tors and digital measuring instruments, is always interested in new product ideas in these areas. - Page 52 Calculated Industries, Inc. by Construction Master Technologies, LLC, 2009. Pocket Reference Guide copyrighted by Calculated Industries, Inc. © 2009. Construction Master® and Calculated Industries® are registered trademarks of Calculated Industries, Inc. ALL RIGHTS RESERVED CALCULATED INDUSTRIES® Designed in the U.S.A.
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