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Construction Master Pro Trig

Work out the simplest, and even the most complex, construction equations using the Construction Master Pro Trig!

Construction Master Pro Trig

Price: $88.95

Product Code: 4080

ISBN: 4080

Binding: Calculator

Publisher: Calculated Industries

The Construction Master Pro Trig Feet-Inch-Fraction calculator is a powerful and advanced construction-math calculator that provides the building professional complete trigonometric function. The calculator features new built-in solutions and an expanded preference selection, and is ideally suited for estimating materials and costs. Save time and money in the field or in the office by easily determining precise angle measurements and solving the most complex design and construction-math problems.


  • Work in and convert between any building dimension, including Metric
  • Trigonometric Function
  • Find Weight per Volume
  • Built-in Right-Angle solutions
  • Complete Stair Layouts
  • Roof, Rafter and Framing solutions
  • Circular: Arcs, Circumference, Segments and More

New Features, Functions and Enhanced Solutions:

  • Stairs ¨C Set Riser Height and solve for Stairwell Opening
  • Studs ¨C Find number On-center for an entered Length
  • Compound Miter Cuts Arched Rake-Walls
  • Equal sided Polygons

For Contractors, Architects, Engineers, Project Managers, Estimators, Draftspersons, Builders, Framers, Carpenters, Tradespersons

  • Work in and convert between all building dimensional formats: Yards, Feet-Inch-Fractions, Decimal Feet and Inches and Metric ¨C including Area and Volume
  • D:M:S to Decimal Degree conversions
  • Weight per Volume
  • Full Trigonometric Function: Sine, Cosine, Tangent, Arcsine, Arccosine and Arctangent simplify complex design and construction-math

Built-In Time Saving Functions

  • Complete Stair calculations for Risers, Treads, Stringer Length and Incline Angle
  • Set Riser Height and solve for Stairwell Opening
  • Built-in Right-Angle Functions
  • Roof Function finds Area, Bundles, Squares and 4x8 Sheathing for Flat or Pitched Roofs
  • Custom Rafter Function provides Common Rafters, Regular and Irregular Hips, Valleys and Jacks; instant Cutting Angles (Cheek, Level and Plumb)
  • Jack Rafter results for Regular and Irregular Pitch Roof. Find Rake-Wall Studs with On-center spacing
  • Compound Miter ¨C Store Crown Angle and Enter Wall Corner Angle to calculate the Blade Tilt and Angle for Miter cuts
  • Advanced solutions for Circles, Arches, Columns, Cones, Pillars, Windows and Post-holes
  • Arched Rake-Walls with On-center Spacing
  • Studs ¨C Calculate the number of On-center Studs for an entered Length
  • Equal Sided Polygon ¨C Calculate Corner and Bi-sect Angles, Side Length, Perimeter and Area
  • Board Feet Lumber estimating

Additional Features

  • User Preferences: Set custom defined options such as Fractional settings for 1/2¡± to 1/64¡± and ¡°Stair Headroom Height,¡± Decimal Degrees and more
  • Exponential Notation: Enter and display exponential values
  • Backspace Key: Makes it easy to change just-entered values
  • Constant Operator: Simplifies repetitive calculations
  • Cost per Unit: Easily solve unit costing and pricing
  • Accumulating Memory (M+) plus three additional Memory Storage locations
  • “Paperless” Tape: Allows for review of last 20 entries; double-check totals
  • Standard Calculations: Works as a math calculator with +, -, +/-, x, ¡Â, %, ¦°, 1/x, X2, and ¡Ì
  • Automatic Shut-Off saves battery life


  • Protective Hard Slide Cover
  • Easy-to-follow User’s Guide
  • Handy Pocket Reference Guide in English and Spanish
  • Long-Life Batteries
  • Full One-Year Limited Warranty
  • English and Spanish CD-ROM with ¡°How-To¡± Video and User’s Guide

Spec Summary:

5.6 x 3.0 x 0.6¡± (142.8 x 76.2 x 15.9mm)
Product Weight:
4.5 oz. (127.5 gm) Includes Case and Pocket Reference Guide
Two 3-volt (LR-44/A76) Long-life Batteries
Display Type:
11 Digits (7 normal, 4 Fractions) with Full Annunciators
Display Dimensions:
0.625 x 2.5¡± (15.88 x 63.5 mm)
10 Digit Internal Accuracy

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