Calculated Industries CONSTRUCTION MASTER IV User Manual
  1. Manuals
  2. Brands
  3. Calculated Industries Manuals
  4. Calculator
  5. Construction Master IV
  6. User manual

Calculated Industries CONSTRUCTION MASTER IV User Manual

For today's construction professional
Hide thumbs Also See for CONSTRUCTION MASTER IV:
Table of Contents

Advertisement

Quick Links

®
C
M
IV
ONSTRUCTION
ASTER
For Today's Construction Professional
User's Guide

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the CONSTRUCTION MASTER IV and is the answer not in the manual?

Questions and answers

Related Manuals for Calculated Industries CONSTRUCTION MASTER IV

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

    Hip/Valley & Jack Rafters ....45 Stair Problems (Risers/Treads) ..51 Circle Problems ........ 54 Appendix A.......... 55 Accuracy/Errors ........55 Battery & Auto Shut-Off ....56 Default Values ........56 Appendix B.......... 57 Warranty ..........59 2 — Construction Master IV...

  • Page 3: The Construction Master Iv

    ONSTRUCTION ASTER Designed for today’s construction pro- fessional, the all-new Construction Master IV® adds even more power and ease of use to the already power- ful Construction Master line-up. As with earlier models, the format of this calculator is so simple, even the nov- ice user will find it easy to solve hun- dreds of dimension-related problems right in feet, inches and fractions!

  • Page 4: Getting Started

    Turns on power. Pressing once clears the display. Pressing twice clears all temporary values. [Conv] — Convert Key Used with the dimensional keys to convert between dimensions or with other keys to access special func- tions. 4 — Construction Master IV...
  • Page 5 ] — Square Root Key Used to find the square root of a non-dimensional or area value. [Conv] [ ] — x Function Finds the square of a linear or non- dimensional value. [M+] — Memory Key Adds the displayed value to Mem- ory.
  • Page 6 Enters or converts to feet as whole or decimal numbers. Also used with the [Inch] and [/] keys for entering Feet-Inch values (6 [Feet] 9 [Inch] 1 [/] 2). Repeated presses toggle be- tween Feet-Inch and Decimal Feet. 6 — Construction Master IV...
  • Page 7 [Inch] — Inch Key Enters or converts to inches. Entry can be whole or decimal numbers. Also used with the [ / ] key for en- tering fractional inch values (9 [Inch] 1 [ / ] 2). Repeated presses during conversions toggle between Fractional and Decimal Inches.
  • Page 8 [Rise] — Rise Key Enters or calculates the rise or ver- tical leg (height) of a right triangle. [Run] — Run Key Enters or calculates the run or hori- zontal leg (base) of a right triangle. 8 — Construction Master IV...
  • Page 9 [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. [Conv] [Diag] — Raked Walls This function finds the decreasing stud sizes in a raked wall based on computed or entered values for pitch, rise and/or run.
  • Page 10 The calculator uses the same on-center spacing as the regular pitch sided jack rafters un- less a new on-center spacing is en- tered (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 Result Number of Risers Actual Riser Height Riser Overage/Underage Number of Treads Actual Tread Width Tread Overage/Underage...
  • Page 12 Toggles the sign of the displayed value. [Conv] [ = ] — Paperless Tape Accesses the paperless tape mode. [Conv] [ • ] — Per Function Allows you to compute a total mate- rial cost given a unit dimension and 12 — Construction Master IV...

  • Page 13: Fractional Settings

    an entered Per Unit Cost. Note: Board feet calculations are per 1,000 Bdft (Mbm) Fractional Settings Setting Fractional Accuracy When your calculator is in a default condition (battery change or full re- set), it is set to round fractional values to the nearest 1/16th of an inch.

  • Page 14: Entering Dimensions

    [Conv] [/]. Pressing [Conv] [/] again will turn it off. Entering Dimensions Linear Dimensions When entering feet-inch values, en- ter dimensions from largest to smallest — feet before inches, inches before fractions. Enter fractions by entering 14 — Construction Master IV...
  • Page 15 the numerator (top), pressing [ / ] (frac- tion bar key) and then the denominator (bottom). Note: If a denominator is not entered, the fractional setting value is used. Examples of how linear dimensions are entered: Dimension Keystrokes 5 Yards 5 [Yds] 5 Feet 1-1/2 Inch 5 [Feet] 1 [Inch]...
  • Page 16 Dimension Keystrokes 5 Cubic Yards 5 [Cu] [Yds] 130 Square Feet 130 [Sq] [Feet] 33 Square Meters 33 [Sq] [m] 16 — Construction Master IV...

  • Page 17: Linear Conversions

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

  • Page 18: Basic Math Operations

    –, x, ÷ ), the second value and then the Equals sign (“=”). [–] [÷] * 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). 18 — Construction Master IV...

  • Page 19: Adding Dimensions

    This feature also makes the calculator simple to use for dimensional applica- tions: Adding Dimensions Add 11 inches to 2 feet 1 inches: 11 [Inch] [+] 2 [Feet] 1 [Inch] [=] 36 IN Add 2 feet 1 inches to 11 inches: 2 [Feet] 1 [Inch] [+] 11 [Inch] [=] 3 FT 0 IN Subtracting Dimensions...

  • Page 20: Percentage Calculations

    It can be used with any type of number, in any dimension (feet, inch, millimeter, etc) and any type of convention (non- dimensioned, linear, square or cubic). 20 — Construction Master IV...

  • Page 21: Memory Operation

    Computing Percentages Find 18% of 500 feet: 90 FT 0 IN 500 [Feet] [x] 18 [%] Add 10% to 137 square feet: 137 [Sq] [Feet] [+] 10 [%] 150.7 SQ FT Take 20% from 552 feet 6 inches: 442 FT 0 IN 552 [Feet] 6 [Inch] [–] 20 [%] Divide 350 cubic yards by 80%: 350 [Cu] [Yds] [÷] 80 [%]...
  • Page 22 255 [M+] 255. 745 [Conv] [M+] 745. [Rcl] [Rcl] – 135. 10 [Feet] 5 [Inch] [M+] 10 FT 5 IN 5 [Feet] 3 [Inch] [M+] 5 FT 3 IN [Rcl] [Rcl] 15 FT 8 IN 22 — Construction Master IV...

  • Page 23: Paperless Tape

    Paperless Tape The Paperless Tape allows the user to display and review the last 20 entries of a calculation. [Rcl] [=] accesses the tape mode and [+] or [–] scrolls for- ward or backward through the entries. While in the Paperless Tape mode, the display will show the entered or cal- culated value, along with the sequence number of entry (e.g., 01, 02, 03, etc.)
  • Page 24 03+ 6 FT 0 IN 5.Exit Tape function and continue: TTL= 22 FT 0 IN 22 FT 0 IN 24 FT 0 IN 2 [Feet] [=] * Can press any key besides [Off], [+] or [–]. 24 — Construction Master IV...

  • Page 25: Linear Calculations

    Linear Calculations Spacing Calculation — Lumber How many 2 feet 2 inch pieces can be made from fifteen 10 foot boards? Keystroke Display 1. Divide board length by smaller cuts [On/C] [On/C] 10 [Feet] 10 FT [÷] 2 [Feet] 2 [Inch] [=] 4.615385 (or 4 whole boards) 2.
  • Page 26 36.5 [Feet] [x] 8 [Feet] [=] 292 SQ FT 3. Divide by brick area to find total bricks 1401.6 (Bricks) [÷] [Rcl] [M+] [=] 4. Add 5% for spoilage [+] 5 [%] 1471.68 (1472 Bricks) 26 — Construction Master IV...

  • Page 27: Area Calculations

    Area Calculations Area of a Rectangle What is the area of a room measuring 12 feet 6 inches by 15 feet 8 inches? Keystroke Display [On/C] [On/C] 12 [Feet] 6 [Inch] 12 FT 6 IN [x] 15 [Feet] 8 [Inch] [=] 195.8333 SQ FT Area of a Square Using the x...
  • Page 28 2. Find Area of Room 2 & Add to Memory 14 [Feet] 8 [Inch] 14 FT 8 IN [x] 16 [Feet] [=] [M+] 234.6667 SQ FT 3. Find Total Area and Cost 39.77778 SQ YD [Rcl] [Rcl] [Conv] [Yds] [x] 11.75 [Conv] [•] $467.39 28 — Construction Master IV...
  • Page 29 Roof Covering — No. of Shingles You’re going to use 12 inch wide by 36 inch long asphalt (strip) shingles with 5 inch weather exposure. How many shingles are required for a 1745 square foot roof? (Note: Shingle expo- sure area = Exposure x length, and Number of Shingles = Roof area ÷...

  • Page 30: Volume Calculations

    4 feet 6 inches. Keystroke Display [On/C] [On/C] 2 [Feet] 4 [Inch] 2 FT 4 IN [Circ] [Circ] AREA 4.276057 SQ FT 19.24225 CU FT [x] 4 [Feet] 6 [Inch] [=] 30 — Construction Master IV...
  • Page 31 Simple Concrete Volume You’re going to form up and pour your own driveway and you need to accurately calculate the cubic yards of concrete required for the job. The measurements are as follows: 36 feet 3 inches long by 11 feet 6 inches wide by 4 inches deep.
  • Page 32 3 FT 4 1/2 IN AREA 8.946176 SQ FT [Circ] [Circ] 2. Find Total Volume 102.881 CU FT [x] 11 [Feet] 6 [Inch] [=] [Conv] [Yds] 3.810408 CU YD [x] 5 [=] 19.05204 CU YD 32 — Construction Master IV...
  • Page 33 Complex Concrete Volume You’re going to pour an odd-shaped patio 4-1/2 inches deep with the di- mensions shown below. First, calcu- late the total area (by dividing the drawing into three individual rectan- gles) and then determine the total yards of concrete required for this job. 27’...
  • Page 34 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 34 — Construction Master IV...

  • Page 35: Volume / Weight Calculations

    Volume / Weight Calculations Concrete Footing Find the total volume* of concrete required 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 36: Board Feet/Lumber Calculations

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

  • Page 37: Right-Triangle Calculations

    Right-Triangle Calculations The top row of keys provide you with built-in solutions to right trian- gles. 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.
  • Page 38 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 38 — Construction Master IV...
  • Page 39 Back-Fill on a Slope with Percent of Grade Known You’ve built 55 linear feet of a three- foot high retaining wall 3 feet out from the base of a 65% grade. You plan to back-fill to within 12 inches of the top of the wall (for a 2’...
  • Page 40 DIAG 14 FT 7-1/2 IN 2. Find Area of One Side [x] 34 [Feet] 6 [Inch] [=] 504.5625 SQ FT 3. Find Area of Both Sides [x] 2 [=] 1009.125 SQ FT 4. Find Number of Squares 40 — Construction Master IV...
  • Page 41 [÷] 100 [Sq] [Feet][=] 10.09125 (squares) Common Rafter Length — (Pitch Known) The roof you are working on has a 7/12 Pitch, with a span of 23 feet 6 inches. What length should you cut the Common rafters (not counting the overhang or ridge adjustments)? 7/12 Pitch 23’...
  • Page 42 [Diag] DIAG 16 FT 1 IN [Pitch] PTCH 25.63565° [Pitch] PTCH 5-3/4 IN Note: If the Pitch is displayed in de- grees, just press [Pitch] again to dis- play the rise per unit run value. 42 — Construction Master IV...
  • Page 43 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 di- agonal. Find the rise given a 7/12 pitch and a run of 11 feet 6 inches: Keystroke Display [On/C] [On/C]...
  • Page 44 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. 44 — Construction Master IV...

  • Page 45: Hip/Valley & Jack Rafters

    Hip/Valley & Jack Rafters The Construction Master IV uses the rise, run, diagonal, pitch and o.c. spacing values to compute regular (45°) and irregular (non-45°) hip/ valley and jack rafter lengths (ex- cluding wood thickness, etc.). “Regular” Hip/Valley & Jack Rafters: To solve for regular (45°) hip/valley...
  • Page 46 “IJ” (irregular pitch) with the cor- responding Jack number to the left of your calculator display. This will en- able you to keep track of the de- scending sizes, and which side the corresponding rafter is based on. 46 — Construction Master IV...
  • Page 47 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 val- ley) and;...
  • Page 48 Etc..Continue pressing [Jack] until last Jack is reached or until display shows “0.” * If the entered value is not dimensioned, the calcula- tor will assume the value as inches for English and millimeters for Metric calculations. 48 — Construction Master IV...
  • Page 49 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: (A) Find the point-to-point length for the com- mon rafter; (B) Find the length of the adjoining “irregular” hip (or valley);...
  • Page 50 JK4 10 FT 11-13/16 IN [Jack] JK5 9 FT 2-5/8 IN Etc..Continue pressing [Jack] until last regu- lar jack or “0.” is reached. * It is not necessary to keep on pressing [Conv] when displaying the Irregular Jack sizes. 50 — Construction Master IV...

  • Page 51: Stair Problems (Risers/Treads)

    Stair Problems (Risers/Treads) The Construction Master IV easily computes the various values pertain- ing to stair building. Given values for total rise, total run and a desired stair riser height, your calculator will com- pute the following with the press of...
  • Page 52 2. Find Stair Values [Stair] RSRS 8 [Stair] R–SZ 5-5/8 IN R+/– – 0-1/4 IN [Stair] [Conv] [x] (Optional) * * An ALL CLEAR is performed here to set the calcu- lator to its default settings. 52 — Construction Master IV...
  • Page 53 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).

  • Page 54: 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 54 — Construction Master IV...

  • Page 55: Appendix A

    PPENDIX Accuracy/Errors Accuracy/Display Capacity — Your calculator has an eleven digit display made up of seven digits (normal dis- play) and four fractional digits. Each calculation is carried out internally to 10 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 56: Battery & Auto Shut-Off

    Irregular Jack o.c. 16 Inch 600 mm Weight per Vol. 1.5 Tons/Yd3 1775 kg/M3 Fractional Setting 1/16 1/16 Fractional Mode Normal Normal * WARNING: Please use caution when disposing of your old batteries as they contain hazardous chemi- cals. 56 — Construction Master IV...

  • Page 57: Area Formulas

    PPENDIX Area Formulas Square Area = a Rectangle Area = lw Triangle Area = Circle Circumference = 2 r Area = r Ellipse Area = ab User's Guide — 57...
  • Page 58 + h (+ r if you add the base) Volume = r h Sphere Surface area = 4 r Volume = Cylinder Surface area = 2 rh + 2 r Volume = r h 58 — Construction Master IV...

  • Page 59: Warranty

    ARRANTY Warranty Repair Service – U.S.A. Calculated Industries, Inc. ("CII") war- rants this product against defects in materi- als and workmanship for a period of one (1) year from the date of original consumer purchase in the U.S. If a defect exists dur-...

  • Page 60: Construction Master

    Service Providers or the same warranty and service policies. To obtain warranty or non- warranty repair service for goods pur- chased outside the U.S., contact the dealer through which you initially purchased the product. If you cannot reasonably have the 60 — Construction Master IV...
  • Page 61 product repaired in your area, you may contact CII to obtain current product repair information and charges, including freight and duties. Disclaimer CII MAKES NO WARRANTY OR REPRESENTATION, EITHER EXPRESS OR IMPLIED, WITH RESPECT TO THE PRODUCT’S QUALITY, PERFORMANCE, MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE.
  • Page 62 FCC Class B This equipment has been certified to com- ply with the limits for a Class B computing device, pursuant to Subpart J of Part 15 of FCC rules. 62 — Construction Master IV...
  • Page 63 Looking For New Ideas Calculated Industries, a leading manufacturer of special function cal- culators and digital measuring instru- ments, is always looking for new pro- duct ideas in these areas. If you have one, or if you have any suggestions for improvements to this product or its User’s Guide, please...
  • Page 64 Calculated Industries, Inc. 4840 Hytech Drive Carson City, NV 89706 U.S.A 775/885-4975 • Fax: 775/885-4949 E-mail: techsup@calculated.com http://www.calculated.com 64 — Construction Master IV...
  • Page 65 Software copyrighted and licensed to Calculated Industries by Construction Master Technologies, LLC, 1999 Construction Master IV User’s Guide Copyrighted by Calculated Industries, 1999 Construction Master® and Calculated Industries® are registered trademarks of Calculated Industries, Inc. ALL RIGHTS RESERVED. Designed in the...

Table of Contents