Calculated Industries Construction Master IV User Manual
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Calculated Industries Construction Master IV User Manual

Calculated industries construction master iv: users guide
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ONSTRUCTION
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For Today's Construction Professional
User's Guide

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Summary of Contents for Calculated Industries Construction Master IV

  • Page 1 ® ONSTRUCTION ASTER For Today's Construction Professional User’s Guide...

  • Page 2: Table Of Contents

    Board Feet/ Lumber Calculations..32 Right-Triangle Calculations ...32 Hip/Valley & Jack Rafters...39 Stair Problems (Risers/Treads) ...43 Circle Problems ...46 Appendix A...47 Battery & Auto Shut-Off...47 Default Values ...47 Appendix B...48 Repair and Return ...50 Warranty...51 2 — Construction Master IV ® IV ...3...

  • Page 3: The Construction Master Iv

    ONSTRUCTION Designed for today’s construction pro- fessional, the Construction Master is so simple, even the novice user will find it easy to solve hundreds of di- mension-related problems right in feet, inches and fractions! ♦ Solve Dimensional Math ♦ English/Metric Conversions ♦...

  • Page 4: Getting Started

    Used with the dimensional keys to convert between dimensions or with other keys to access special func- tions. ] — Square Root Key Used to find the square root of a non-dimensional or area value. 4 — Construction Master IV...
  • Page 5 Finds the square of a linear or non- dimensional value. [M+] — Memory Key Adds the displayed value to Mem- ory. Clears when the calculator is shut off. [Conv] [M+] — Memory Minus (M–) Subtracts the displayed value from Memory.

  • Page 6: Dimension Keys

    Enters or converts to feet as whole or decimal numbers. Also used with the [Inch] and [/] keys for entering Feet-Inch values (e.g., 6 [Feet] 9 [Inch] 1 [/] 2). Repeated presses toggle between Feet-Inch and Deci- mal Feet. 6 — Construction Master IV...
  • Page 7 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] — Meter Key Enters or converts to meters.
  • Page 8 [Diag] — 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. 8 — Construction Master IV 9 [Inch] [Pitch] 30 [Pitch] 0.75 [Conv] [Pitch]...
  • Page 9 [Conv] [Diag] — Rake Walls This function finds the decreasing stud sizes in a raked wall based on computed or entered values for pitch, rise and/or run. Repeated presses display stud sizes from longest to shortest. The on-center spacing of a raked wall can be permanently stored by entering a dimension prior to solving for stud sizes (12 [Inch] [Conv]...
  • Page 10 The calculator uses the same on-center spacing as the regu- lar pitch sided jack rafters unless a new on-center spacing is entered (e.g., 19.2 [Inch] [Conv] [Jack]). 10 — Construction Master IV...
  • Page 11 Stair & Circle Keys [Stair] — Stair Key A multi-function key that enters a desired riser height and uses the rise and run values to compute and display the following: Press Default value is 7-1/2 inches (Metric Mode: 185 millimeters). [Circ] —...
  • Page 12 [Conv] [ • ] — Per Function Allows you to compute a total mate- rial cost given a unit dimension and an entered Per Unit Cost. Note: Board feet calculations are per 1,000 Bdft (Mbm) 12 — Construction Master IV...

  • Page 13: Fractional Settings

    Fractional Settings Setting Fractional Accuracy When your calculator is in a default condition (battery change or full reset), it is set to round fractional values to the nearest 1/16th of an inch. The fractional level can be revised by using...

  • Page 14: Entering Dimensions

    Square and Cubic Dimensions Examples of how square and cubic dimensions are entered: Dimension 5 Cubic Yards 130 Square Feet 33 Square Meters 14 — Construction Master IV Keystrokes 5 [Yds] 1 [ / ] 2 17.5 [m] Keystrokes 5 [Cu] [Yds]...

  • Page 15: Linear Conversions

    Linear Conversions Convert 14 feet to other dimensions: Keystroke 14 [Feet] . . . [Conv] [Yds] [Conv] [Feet] [Conv] [Feet] [Conv] [Inch] [Conv] [mm] [Conv] [cm] [Conv] [m] Square Conversions Convert 14 square feet to other square dimensions: Keystroke 14 [Sq] [Feet] . . . [Conv] [Inch] [Yds] [mm]...

  • Page 16: Basic Math Operations

    * The calculator's auto-range function forced the answer to be in meters, as it is out of the calculator's normal 7-digit range (See Appendix A–Auto-Range). 16 — Construction Master IV 24192 CU IN 0.518519 CU YD 0.396436 CU M 396435.9 CU CM 0.396436 CU M...

  • Page 17: Adding Dimensions

    Adding Dimensions Add 11 inches to 2 feet 1 inch: 11 [Inch] [+] 2 [Feet] 1 [Inch] [=] Subtracting Dimensions Subtract 3 feet from 11 feet 7-1/2 inches: 11 [Feet] 7 [Inch] 1 [ / ] 2 [–] 3 [Feet] [=] Multiplying Dimensions Multiply 5 feet 3 inches by 11 feet 6- 1/2 inches:...

  • Page 18: Percentage Calculations

    137 [Sq] [Feet] [+] 10 [%] 150.7 SQ FT Take 20% from 552 feet 6 inches: 552 [Feet] 6 [Inch] [–] 20 [%] 442 FT 0 IN Divide 350 cubic yards by 80%: 350 [Cu] [Yds] [÷] 80 [%] 437.5 CU YD 18 — Construction Master IV...

  • Page 19: Memory Operation

    Recall total in Memory [Rcl] [M+] Display/Clear Memory [Rcl] [Rcl] Clear Memory Replace Memory Memory is semi-permanent, clearing only when you: turn off the calculator; press [Rcl] [Rcl]; press [Conv] [Rcl]; press [Conv] [x] (all clear). Examples/Keystroke 355 [M+] 255 [M+]...

  • Page 20: Paperless Tape

    Note: The Paperless Tape is cleared each time [On/C] is pressed twice, or the unit is shut off. 20 — Construction Master IV...
  • Page 21 Previewing Paperless Tape Keystroke 1. Enter a string of numbers: 4 [Feet] [+] 5 [Feet] [+] 6 [Feet] [+] 7 [Feet] [=] 2. Access the Tape function: [Rcl] [=] 3. Scroll from first value to total: 4. Scroll to last 2 values: [–] [–] 5.Exit Tape function and continue:...

  • Page 22: Examples

    18 [Feet] 7 [Inch] 1 [ / ] 2 [÷] 16 [Inch] [=] 2. Add one for the end [+] 1 [=] Note: Also applies to trusses and joists. 22 — Construction Master IV 4.615385 (or 4 whole boards) 60 (pieces) 18 FT 7-1/2 IN 13.96875 (14 studs)
  • Page 23 Masonry — Estimating Bricks How many standard bricks (3-3/4 inch by 8 inch) are required for a 36.5 feet by 8 feet wall? Keystroke 1. Find Brick Area [On/C] [On/C] 3 [Inch] 3[ / ] 4 [x] 8 [Inch] [=] 2.

  • Page 24: Area Calculations

    Using the x find the area of a square with sides of 4 feet 7 inches. Keystroke [On/C] [On/C] 4 [Feet] 7 [Inch] [Conv][ 24 — Construction Master IV ([Conv][ Display 12 FT 6 IN 195.8333 SQ FT ]) function, Display 4 FT 7 IN 21.00694 SQ FT...
  • Page 25 Area — Floor Covering You have an apartment with two rooms of carpet that need to be replaced. The room dimensions are as follows: 12 feet 4 inches by 10 feet and 14 feet 8 inches by 16 feet. How many square yards of carpet are needed and what is the total cost at $11.75 per square yard?
  • Page 26 [M+] 2. Find Total Shingles Required 1745 [Sq] [Feet] [÷] [Rcl] [Rcl] [=] 3. Add 10% for waste [+] 10 [%] 26 — Construction Master IV 1745 SQ FT 1396 (shingles) 1535.6 (1536 shingles) Display 180 SQ IN 180 SQ IN...

  • Page 27: Volume Calculations

    Volume Calculations Rectangular Containers What is the volume of a container 3 feet by 1 foot 9-5/8 inches by 2 feet 4 inches? (LxWxH) Keystroke [On/C] [On/C] 3 [Feet] [x] 1 [Feet] 9 [Inch] 5 [ / ] 8 [x] 2 [Feet] 4 [Inch] [=] Simple Concrete Volume You’re going to form up and pour your own driveway and you need to accu-...

  • Page 28: Concrete Columns

    3 [Feet] 4 [Inch] 1 [ / ] 2 [Circ] [Circ] 2. Find Total Volume [x] 11 [Feet] 6 [Inch] [=] [Conv] [Yds] [x] 5 [=] 28 — Construction Master IV 5.146605 CU YD $ 283.06 Per 3 FT 4-1/2 IN AREA 8.946176 SQ FT 102.881 CU FT 3.810408 CU YD...

  • Page 29: Complex Concrete Volume

    Complex Concrete Volume You’re going to pour an odd-shaped patio 4-1/2 inches deep with the di- mensions shown below. First, calculate the total area (by dividing the drawing into three individual rectangles) and then determine the total yards of con- crete required for this job.
  • Page 30 4. Find Total Area [Rcl] [Rcl] 5. Find Total Cubic Yards [x] 4 [Inch] 1 [ / ] 2 [=] [Conv] [Yds] 30 — Construction Master IV Display 34 FT 0 IN 918 SQ FT 4 FT 2 IN 35.41667 SQ FT 85.5 SQ FT...

  • Page 31: Volume/Weight Calculations

    Volume/Weight Calculations Concrete Footing Find the total volume* of concrete re- quired to pour five 24 inch by 12 inch footings, each 2 feet deep. Then find the weight of the concrete (use 1.5 tons per cubic yard). Keystroke [On/C] [On/C] 1.

  • Page 32: Board Feet/Lumber Calculations

    2 [x] 10 [x] 16 [BdFt] [M+] 2 [x] 12 [x] 18 [BdFt] [M+] [Rcl] [Rcl] [x] 250 [Conv] [•] Right-Triangle 32 — Construction Master IV 2 x 4 x 14 2 x 10 x 16 2 x 12 x 18 Display 26.66667 B FT...
  • Page 33 Calculations The top row of keys provide you with built-in solutions to right triangles. The solutions are available in any of the linear dimensions offered on the calcu- lator. Thus, you can solve right trian- gles directly in feet and inches, decimal feet, meters, etc.
  • Page 34 1. Enter Sides as Rise/Run 45 [Feet] 6 [Inch] [Run] 24 [Feet] 4 [Inch] [Rise] 2. Find the Square Up (Diagonal) [Diag] 34 — Construction Master IV 45’ 6” RUN 45 FT 6 IN RISE 24 FT 4 IN DIAG 51 FT 7-3/16 IN...

  • Page 35: Area For Roofing Materials

    Area for Roofing Materials You’re ordering roofing materials for a roof with a 5/12 Pitch, an overall span of 27 feet and a length of 34 feet 6 inches. How many squares, at 100 square feet each, are there? Keystroke [On/C] [On/C] 1.
  • Page 36 Keystroke [On/C] [On/C] 7 [Inch] [Pitch] 23 [Feet] 6 [Inch] [÷] 2 [=] [Run] [Diag] 36 — Construction Master IV 23’ 6” PTCH 7 IN RUN 11 FT 9 IN DIAG 13 FT 7-1/4 IN 7/12 Pitch Display...
  • Page 37 Finding Rise — (Pitch and Run Known) Though not commonly asked for, you can compute the rise or run of a right angle just as you would the diagonal. Find the rise given a 7/12 pitch and a run of 11 feet 6 inches: Keystroke [On/C] [On/C] 7 [Inch] [Pitch]...
  • Page 38 [Diag] [Diag] Etc...Continue pressing [Diag] until last stud size or "0" is reached. 38 — Construction Master IV RISE 15 FT 5 IN RUN 30 FT 7 IN RW 1 14 FT 8-15/16 IN RW 2 14 FT 0-7/8 IN...

  • Page 39: Hip/Valley & Jack Rafters

    Hip/Valley & Jack Rafters Regular (45°) Hip/Valley & Jack Rafters You’re working with a 7/12 Pitch, and half your total span is 13 feet 9 inches: (A) Find the point-to-point length for the common rafter; (B) Find the length of an adjoining hip (or valley);...
  • Page 40 * If the entered value is not dimensioned, the calculator will assume the value as inches for English and millimeters for Metric calcu- lations. 40 — Construction Master IV RUN 30 FT 9 IN JK1 33 FT 10-3/8 IN JK2 32 FT 1-1/2 IN...
  • Page 41 Irregular (non-45°) Hip/Valley & Jack Rafters You’re working with a 7/12 pitch and half 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 [On/C] [On/C] 1.
  • Page 42 [Jack] [Jack] [Jack] Etc...Continue pressing [Jack] until last regular jack or “0.” is reached. 42 — Construction Master IV JK1 16 FT 3-5/16 IN JK2 14 FT 6-1/8 IN JK3 12 FT 9 IN JK4 10 FT 11-13/16 IN JK5 9 FT 2-5/8 IN...

  • Page 43: Stair Problems (Risers/Treads)

    Stair Problems (Risers/Treads) The Construction Master IV easily computes the various values pertaining to stair building. Given values for total rise, total run and a desired stair riser height, your calculator will compute the following with the press of the [Stair]...
  • Page 44 [Conv] [x] (Optional) * Risers & Treads — * An ALL CLEAR is performed here to set the calculator to its default settings. 44 — Construction Master IV RISE 3 FT 8-3/4 IN R-HT 5-1/2 IN R–SZ 5-5/8 IN R+/– – 0-1/4 IN...
  • Page 45 (7-1/2 Inch Desired Riser Height) You need to build a stairway having a floor-to-floor height of 28 feet 5-1/2 inches, a run of 35 feet 6 inches and a nominal riser height of 7-1/2 inches (default). Find the number of risers, the riser height and underage/overage, the number of treads, the tread width and underage/ overage, stringer length and...

  • Page 46: Circle Problems

    5-foot diameter. Keystroke [On/C] [On/C] 5 [Feet] [Circ] 85 [Conv] [Circ] [Feet] 46 — Construction Master IV AREA 78.53982 SQ IN CIRC 31-7/16 IN 5 FT 0 IN DIA 3 FT 8-1/2 IN ARC 3.708825 FT...

  • Page 47: Battery & Auto Shut-Off

    PPENDIX Battery & Auto Shut-Off Your calculator is powered by a single 3-Volt Lithium CR-2032 battery. This should last upwards of 800 hours of actual use (1 year plus for most peo- ple). Should the display become very dim or erratic, replace the battery.*...

  • Page 48: Area Formulas

    PPENDIX Area Formulas 48 — Construction Master IV Square Area = a Triangle Area = Circle Circumference = 2 π r Area = π r Rectangle Area = lw Ellipse Area = π ab...
  • Page 49 Surface Area & Volume Formulas Cube Surface area = 6a Volume = a Cone Surface area = π r r + h (+ π r if you add the base) Volume = π r h Sphere Surface area = 4 π r Volume = Cylinder Surface area = 2 π...

  • Page 50: Repair And Return

    Support, then Repair Services FAQs. 5. If you believe you need to return your calculator, please speak to a Calculated Industries representative for additional information! Call Toll Free: 1-800-854-8075 50 — Construction Master IV ETURN The unit can be repaired.

  • Page 51: Warranty

    ARRANTY Warranty Repair Service – U.S.A. Calculated Industries, Inc. ("CI") warrants this product against defects in materials and workman- ship for a period of one (1) year from the date of original consumer purchase in the U.S. If a defect...
  • Page 52 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. 52 — Construction Master IV...
  • Page 53 Disclaimer CI MAKES NO WARRANTY OR REPRESENTA- TION, EITHER EXPRESS OR IMPLIED, WITH RESPECT TO THE PRODUCT’S QUALITY, PER- FORMANCE, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE. AS A RESULT, THIS PRODUCT, INCLUDING BUT NOT LIMITED TO, KEYSTROKE PROCEDURES, MATHEMATI- CAL ACCURACY AND PREPROGRAMMED MA- TERIAL, IS SOLD "AS IS,"...
  • Page 54 Software copyrighted and licensed to Calculated Industries by Construction Master Technologies, LLC, 2003 Construction Master IV User’s Guide Copyrighted by Calculated Industries, 2003 Construction Master® and Calculated Industries® are registered trademarks of Calculated Industries, Inc. ALL RIGHTS RESERVED. Designed in the...

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