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

For today's construction professional
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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
United States of America
Printed in China
UG4045E-B
4/03

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Summary of Contents for Calculated Industries Construction Master IV

  • Page 1 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...
  • Page 2 ® ONSTRUCTION ASTER For Today's Construction Professional User’s Guide...

  • Page 3: Table Of Contents

    Board Feet/ Lumber Calculations .32 Right-Triangle Calculations ..33 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 ONSTRUCTION 2 — Construction Master IV...
  • Page 4 ® ASTER 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 5: 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 6 [Conv] [ ] — x Function 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 7 [Inch] — Inch Key Enters or converts to inches. Entry can be whole or decimal numbers. Also used with the [/] key for enter- ing fractional inch values (e.g., 9 [Inch] 1 [/] 2). Repeated presses 6 — Construction Master IV...
  • Page 8 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.
  • 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. 8 — Construction Master IV...
  • Page 10 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] [Diag]). Default on-center spacing is 16 inches (Metric Mode: 600 mm). [Hip/V] — Hip/Valley Rafter Key Finds the regular or irregular hip/ valley rafter length.
  • Page 11 (e.g., 19.2 [Inch] [Conv] [Jack]). 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: 10 — Construction Master IV...
  • Page 12 Press Result Number of Risers Actual Riser Height Riser Overage/Underage Number of Treads Actual Tread Width Tread Overage/Underage Stringer Length Inclination Angle Default value is 7-1/2 inches (Metric Mode: 185 millimeters). [Circ] — Circle Displays the following values, given an entered diameter: 1) diameter, 2) area, and 3) circumference.

  • Page 13: Fractional Settings

    1,000 Bdft (Mbm) 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 12 — Construction Master IV...

  • Page 14: Entering Dimensions

    fractional level can be revised by using the following keystrokes: [Conv] 1 = Accuracy set to 1/16 [Conv] 2 = Accuracy set to 1/2 [Conv] 3 = Accuracy set to 1/32 [Conv] 4 = Accuracy set to 1/4 [Conv] 6 = Accuracy set to 1/64 [Conv] 8 = Accuracy set to 1/8 A star ( ) will appear in the bottom...
  • Page 15 17.5 [m] Square and Cubic Dimen- sions Examples of how square and cubic dimensions are entered: Dimension Keystrokes 5 Cubic Yards 5 [Cu] [Yds] 130 Square Feet 130 [Sq] [Feet] 33 Square Meters 33 [Sq] [m] 14 — Construction Master IV...

  • Page 16: Linear Conversions

    Linear Conversions Convert 14 feet to other dimensions: Keystroke Display 14 [Feet] . . . [Conv] [Yds] 4.666667 YD [Conv] [Feet] 14 FT 0 IN [Conv] [Feet] 14 FT [Conv] [Inch] 168 IN [Conv] [mm] 4267.2 MM [Conv] [cm] 426.72 CM [Conv] [m] 4.2672 M Square Conversions...

  • Page 17: Basic Math Operations

    This feature also makes the calculator simple to use for dimensional applica- tions: * 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...

  • Page 18: Adding Dimensions

    Adding Dimensions Add 11 inches to 2 feet 1 inch: 11 [Inch] [+] 2 [Feet] 1 [Inch] [=] 36 IN Subtracting Dimensions Subtract 3 feet from 11 feet 7-1/2 inches: 11 [Feet] 7 [Inch] 1 [ / ] 2 [–] 3 [Feet] [=] 8 FT 7-1/2 IN Multiplying Dimensions Multiply 5 feet 3 inches by 11 feet 6-...

  • Page 19: Percentage Calculations

    Divide 350 cubic yards by 80%: 350 [Cu] [Yds] [÷] 80 [%] 437.5 CU YD Memory Operation Whenever the [M+] key is pressed, the displayed value will be added to the Memory. Other memory functions: 18 — Construction Master IV...
  • Page 20 Function Keystrokes Add to Memory [M+] Subtract from Memory [Conv] [M+] Recall total in Memory [Rcl] [M+] Display/Clear Memory [Rcl] [Rcl] Clear Memory [Conv] [Rcl] Replace Memory [Conv] [Rcl] [M+] Memory is semi-permanent, clearing only when you: turn off the calculator; press [Rcl] [Rcl];...

  • Page 21: 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 22 Previewing Paperless Tape Keystroke Display 1. Enter a string of numbers: 4 [Feet] [+] 4 FT 0 IN 5 [Feet] [+] 9 FT 0 IN 6 [Feet] [+] 15 FT 0 IN 7 [Feet] [=] 22 FT 0 IN 2. Access the Tape function: [Rcl] [=] TTL= 22 FT 0 IN 3.

  • Page 23: Examples

    18 [Feet] 7 [Inch] 1 [ / ] 2 18 FT 7-1/2 IN [÷] 16 [Inch] [=] 13.96875 (14 studs) 2. Add one for the end [+] 1 [=] 14.96875 (15 studs) Note: Also applies to trusses and joists. 22 — Construction Master IV...
  • Page 24 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 Display 1. Find Brick Area [On/C] [On/C] 3 [Inch] 3[ / ] 4 [x] 8 [Inch] [=] 30 SQ IN 2.

  • Page 25: Area Calculations

    Using the x ([Conv][ ]) function, find the area of a square with sides of 4 feet 7 inches. Keystroke Display [On/C] [On/C] 4 [Feet] 7 [Inch] 4 FT 7 IN [Conv][ 21.00694 SQ FT 24 — Construction Master IV...
  • Page 26 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 27 180 SQ IN [M+] 180 SQ IN 2. Find Total Shingles Required 1745 [Sq] [Feet] 1745 SQ FT [÷] [Rcl] [Rcl] [=] 1396 (shingles) 3. Add 10% for waste [+] 10 [%] 1535.6 (1536 shingles) 26 — Construction Master IV...

  • Page 28: 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 Display [On/C] [On/C] 3 [Feet] 3 FT [x] 1 [Feet] 9 [Inch] 5 [ / ] 8 1 FT 9-5/8 IN [x] 2 [Feet] 4 [Inch] [=] 12.61458 CU FT...

  • Page 29: Concrete Columns

    3 [Feet] 4 [Inch] 1 [ / ] 2 3 FT 4-1/2 IN [Circ] [Circ] AREA 8.946176 SQ FT 2. Find Total Volume [x] 11 [Feet] 6 [Inch] [=] 102.881 CU FT [Conv] [Yds] 3.810408 CU YD [x] 5 [=] 19.05204 CU YD 28 — Construction Master IV...

  • Page 30: 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 31 85.5 SQ FT [M+] 4. Find Total Area [Rcl] [Rcl] 1038.917 SQ FT 5. Find Total Cubic Yards [x] 4 [Inch] 1 [ / ] 2 [=] 389.5937 CU FT [Conv] [Yds] 14.4294 CU YD 30 — Construction Master IV...

  • Page 32: 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 Display [On/C] [On/C] 1.

  • Page 33: Board Feet/Lumber Calculations

    9.333333 B FT 2 [x] 10 [x] 16 [BdFt] [M+] 26.66667 B FT 2 [x] 12 [x] 18 [BdFt] [M+] 36 B FT [Rcl] [Rcl] 72 B FT [x] 250 [Conv] [•] $ 18.00 Per 32 — Construction Master IV...

  • Page 34: Right-Triangle Calculations

    Right-Triangle 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, deci- mal feet, meters, etc.
  • Page 35 1. Enter Sides as Rise/Run 45 [Feet] 6 [Inch] [Run] RUN 45 FT 6 IN 24 [Feet] 4 [Inch] [Rise] RISE 24 FT 4 IN 2. Find the Square Up (Diagonal) [Diag] DIAG 51 FT 7-3/16 IN 34 — Construction Master IV...

  • Page 36: 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 Display [On/C] [On/C] 1.
  • Page 37 23’ 6” Keystroke Display [On/C] [On/C] 7 [Inch] [Pitch] PTCH 7 IN 23 [Feet] 6 [Inch] [÷] 2 [=] 11 FT 9 IN [Run] RUN 11 FT 9 IN [Diag] DIAG 13 FT 7-1/4 IN 36 — Construction Master IV...
  • Page 38 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 Display [On/C] [On/C]...
  • Page 39 RW 2 14 FT 0-7/8 IN [Diag] RW 3 13 FT 4-13/16 IN [Diag] RW 4 12 FT 8-3/4 IN [Diag] RW 5 12 FT 0-11/16 IN Etc..Continue pressing [Diag] until last stud size or "0" is reached. 38 — Construction Master IV...

  • Page 40: 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); and (C) Find the lengths of the regular jack rafters (jack rafters at 16”...
  • Page 41 Etc..Continue pressing [Jack] until last Jack is reached or until display shows “0.” * 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...
  • Page 42 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 Display [On/C] [On/C] 1.
  • Page 43 [Jack] JK2 14 FT 6-1/8 IN [Jack] JK3 12 FT 9 IN [Jack] JK4 10 FT 11-13/16 IN [Jack] JK5 9 FT 2-5/8 IN Etc..Continue pressing [Jack] until last regular jack or “0.” is reached. 42 — Construction Master IV...

  • Page 44: 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 45 2. Find Stair Values [Stair] RSRS 8 [Stair] R–SZ 5-5/8 IN [Stair] R+/– – 0-1/4 IN [Conv] [x] (Optional) * * An ALL CLEAR is performed here to set the calculator to its default settings. 44 — Construction Master IV...
  • Page 46 Risers & Treads — (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 47: Circle Problems

    Find the arc length of an 85° portion of a circle with a 5-foot diameter. Keystroke Display [On/C] [On/C] 5 [Feet] [Circ] 5 FT 0 IN DIA 85 [Conv] [Circ] 3 FT 8-1/2 IN ARC [Feet] 3.708825 FT 46 — Construction Master IV...

  • Page 48: 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.* Your calculator is designed to shut itself off after about 8-12 minutes of non-use.

  • Page 49: Area Formulas

    PPENDIX Area Formulas Square Area = a Rectangle Area = lw Triangle Area = Circle Circumference = 2πr Area = π r Ellipse Area = πab 48 — Construction Master IV...
  • Page 50 Surface Area & Volume Formulas Cube Surface area = 6a Volume = a Rectangle Surface area = 2hw + 2hl + 2lw Volume = l x w x h Cone Surface area = π r r + h (+ π r if you add the base) Volume = πr h Sphere Surface area = 4 π...

  • Page 51: 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...

  • Page 52: 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 53 CONSEQUENTIAL DAMAGES RESULTING FROM ANY DEFECT IN THE PRODUCT OR ITS DOCU- MENTATION. The warranty, disclaimer, and remedies set forth above are exclusive and replace all others, oral or written, expressed or implied. No CI dealer, agent, 52 — Construction Master IV...
  • Page 54 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. Calculated Industries, Inc. 4840 Hytech Drive Carson City, NV 89706 U.S.A 1-775-885-4900 • Fax: 1-775-885-4949 E-mail: info@calculated.com...
  • Page 55 54 — Construction Master IV...
  • Page 56 User's Guide — 55...

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