Calculated Industries Construction Master 5 Reference Manual
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Calculated Industries Construction Master 5 Reference Manual

Advanced feet-inch-fraction calculator
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Summary of Contents for Calculated Industries Construction Master 5

  • Page 2 ONSTRUCTION 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 •...

  • 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 —...

  • Page 5: Getting Started

    GETTING STARTED KEY DEFINITIONS / FUNCTIONS Basic Function Keys + – x ÷ = 0 – 9 and • Ç √ Ç √ OCKET Arithmetic operation keys. Keys used for entering numbers. Percent Key — Four-func- tion (+, –, x, ÷) percent key. Off Key —...

  • Page 6: Dimension Keys

    Recall Key — Used with other keys to recall stored values and settings. Memory Key — Adds the displayed value to Memory. Clears when the calculator is shut off. Memory Minus (M–) — Subtracts the displayed value from Memory. Memory Clear — Clears Memory without changing current display.
  • Page 7 Fractions . Fractions can be entered as proper (1/2, 1/8, 1/16) or improper (3/2, 9/8). If the denomina- tor (bottom) is not entered, the calculator's fractional accuracy setting is auto- matically used. Meters Key — Enters or converts to Meters .

  • Page 8: Arc/Circle Keys

    Arc/Circle Keys Ç C Right Triangle/Roof Framing Keys OCKET Weight Key — Enters or converts (a volume value) to Tons, Pounds, Metric Tons or Kilograms . Repeated presses will cycle through these units. Circle Key — Calculates Circle Area and Circumference based on entered Diameter.
  • Page 9 A solution will be replaced by its entered value once the calculator is cleared. Enters Pitch Ratio (e.g., • 5 8 3 Ç p). Rise Key — Enters or cal- culates the Rise or vertical leg (height) of a Right Triangle.
  • Page 10 Ç H Ç j ∑ OCKET Irregular Pitch — Enters Irregular Pitch used to cal- 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 Irregular -pitched roof side.

  • Page 11: Stair Layout Key

    Stair Layout Key STAIR DEFAULT VALUES • 7-1/2” Desired Riser Height • 10” Desired Tread Width OCKET 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...

  • Page 12: Stair Settings

    Stair Settings You may set “desired Riser height” and “desired Tread width” to any value by using the following keys: Ç 7 Ç 9 Miscellaneous Functions Ç ÷ Ç x Ç – Ç + OCKET Riser Height — Stores a desired Riser height other than 7-1/2”...
  • Page 13 Ç √ √ Ç • Ç 0 Ç 5 OCKET — Squares the value in the display. Square Root Key — Used to find the Square Root of a non-dimensional or area value. Total Cost — Based on entry of per unit cost. Store Weight per Volume —...

  • Page 14: Paperless Tape Example

    ® = 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 6 f + 5 f +...

  • 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: First press of % : Second press...
  • Page 16 (Cont’d) PRESS : Fourth press of % : Fifth press of % : Sixth press of % : OCKET SETTING--FUNCTION Meter Linear Displays: --0.000 --FLOAt (repeats options) --0.000 Decimal Degree Displays: --0.00º --FLOAt (floating point) --0.00º (repeats options) Fractional Mode: --Std.

  • 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 1 0 f 6 i Ç y Ç i Ç m Ç c Ç M Convert 14 Feet 7-1/2 Inches to Decimal Feet: KEYSTROKE 1 4 f 7 i 1 / 2 Ç...

  • Page 19: Square And Cubic Conversions

    (+, –, x, ÷), the second value and then the Equals sign (=). This feature also makes the calculator sim- ple to use for dimensional applications. OCKET (1.6 square yards) –...

  • 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 6 f 2 i 1 / 2 + 1 1 f 5 i 1 / 4 + 1 8 •...

  • Page 21: Dividing Dimensions

    Dividing Dimensions Divide 15 Feet 3-3/4 Inches into thirds (divide by 3): KEYSTROKE 1 5 f 3 i 3 / 4 ÷ 3 = How many 3-Foot 6-Inch pieces can you cut from one 25-foot board? KEYSTROKE 2 5 f ÷ 3 f 6 i = 7.142857 Percent Calculations Add a 10% waste allowance to 2.78 Cubic Yards:...

  • Page 22: Square Area

    Square Area Find the Area of a square room with sides measuring 15 Feet 8-1/2 Inches: KEYSTROKE 1 5 f 8 i 1 / 2 Ç √ (x Rectangular Area and Volume Find the Area and Volume: • Length: 20 Feet 6-1/2 Inches •...

  • Page 23: Entering Square And Cubic And Adding A Waste Allowance

    (Tons, Metric Tons, Kilograms): KEYSTROKE 1 5 0 w w* Ç w *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.

  • Page 24: Weight Per Volume

    Volume value): KEYSTROKE 2 Ç 0 2 0 y y y Ç w Ç x *Calculator will present values in a different order based on previous computation; simply continue to press w key until desired value is displayed. OCKET 27.21554 STORED 36.28739...

  • Page 25: Using The Memory

    Display/Clear Memory ® ® Clear Memory 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), con- secutive presses of µ...

  • 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 2 x 4 x 1 6 b µ 2 x 1 0 x 1 8 b µ...

  • 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 2 5 i C 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 1.

  • Page 29: Concrete Volume For Driveway

    Concrete Volume for Driveway Calculate the Cubic Yards of concrete required to pour a driveway that meas- ures: 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 4 5 f 5 i x 1 3 f 6 i...

  • 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 1. Find Area of Part “A” and add to Memory: 3 8 f 2 i – 4 f 2 i = x 2 7 f = µ 2. Find Area of Part “B” and add to Memory: 4 f 2 i x 8 f 6 i = µ...

  • Page 32: 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 Square-Up 15 Feet 6 Inch (Run) x 10 Feet 2 Inch (Rise): KEYSTROKE 1 5 f 6 i R 1 0 f 2 i r Pitch — Converting Roof Angle Find the % Grade, Pitch Ratio/Slope and Pitch in Inches if the roof angle is 30.25°: KEYSTROKE 3 0 •...

  • 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 • 6 2 5 Ç p 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 1.

  • 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 1. Find the Common rafter length: 6 f R 9 i p d (Common)
  • Page 36 (Cont’d) KEYSTROKE 2. Find the Hip/Valley rafter and Jack rafter lengths: *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...

  • 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 1. Find Common Rafter Length: 7 i p 1 5 f 7 i R 2.

  • 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 1. Enter Rise and Run: 3 f 6 i r RISE 3 6 f R 2.

  • 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 1.
  • Page 40 (Cont’d) KEYSTROKE 2. Recall stored 7-1/2 Inch desired Riser Height and find stair values: ® s in the display means the calculated Riser Height or Tread Width is greater than the stored desired Riser Height or Tread Width. OCKET R-HT STORED R-HT T-WD...

  • 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 1. Enter desired Riser Height and Floor-to- Floor Rise: 8 i Ç...

  • Page 42: Appendix

    Ç 4 (1/4) Ç 6 (1/64) Ç 8 (1/8) 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. OCKET EFERENCE UIDE DISPLAY...

  • Page 43: Default Settings

    Default Settings After a Clear All (Ç x), your calculator will return to the following settings: STORED VALUES Stair Riser Height Stair Tread Width On-Center Spacing Weight per Volume If you replace your batteries or perform a Full Reset * (press O, hold down x, and...

  • Page 44: Accuracy/Errors

    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.

  • Page 45: 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.

  • Page 46: Area And Volume Formulas

    AREA AND VOLUME FORMULAS Area Formulas — 42 OCKET EFERENCE UIDE...

  • Page 47: Volume Formulas

    Volume Formulas — 43 OCKET EFERENCE UIDE...

  • 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, INCLUD- ING BUT NOT LIMITED TO, KEYSTROKE PROCE- DURES, MATHEMATICAL ACCURACY AND PREPRO- GRAMMED MATERIAL, IS SOLD “AS IS,”...

  • 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 manufac- turer of special-function calculators and digital measuring instruments, is always looking for new product ideas in these areas.

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4050 v3.1

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