Construction Master Pro Trig

Calculated Industries CI4080

Availability: In stock


Quick Overview

Advanced Feet-Inch-Fraction Construction-Math Calculator with Full Trigonometric Functions

Construction Master Pro Trig

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The Construction Master Pro Tri

g Feet-Inch-Fraction calculator provides the building professional complete trigonometric function. This powerful and advanced construction-math calculator features new built-in solutions and expanded preference selection. It allows you to easily determine precise angle measurements and solve the most complex design and construction-math problems. Perfect for estimating materials and costs. In the field or office it helps assure accuracy, save time and money.


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

Dimensional Math and Conversions
    * Work in and convert between all building dimensional formats: Yards, Feet-Inch-Fractions, Decimal Feet and Inches and Metric – 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 – 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 – Calculate the number of On-center Studs for an entered Length
    * Equal Sided Polygon – 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, ÷, %, Π, 1/x, X2, and √
    * 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

Tech Specs
5.6” x 3.0” x 0.6” (142.8mm x 76.2mm x 15.9mm)

Product Weight:
4.5 oz. (127.5 gm)
Includes Case and Pocket Reference Guide

Two 1.5-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 mm x 63.5 mm)

10 Digit Internal Accuracy

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

Additional Information

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