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Overview

Advanced Feet-Inch-Fraction Construction-Math Calculator With Full Trigonometric Function

The Construction Master Pro Desktop is the most complete construction-math calculator on the market! With many powerful new built-in solutions and expanded preference selection; it’s easy to use for fast, accurate solutions to construction problems. Perfect for completing layouts, bids and estimates – saves time, money, materials and frustration. No office should be without it.

Calculations:

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
Advanced Circular calculations: Arcs, Circumference, Segments and More
New Features, Functions and Enhanced Solutions:

Drywall, Siding, Panels – Find number of Sheets for an Area
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
For Contractors, Architects, Builders, Engineers, Project Managers, Estimators, Draftspersons

Features

Dimensional Math and Conversions

Work in and convert between all building dimensional formats: Yards, Feet-Inch-Fractions and Metric – including Area and Volume
D:M:S to Decimal Degree conversions
Find 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
Stairs Advanced – Set Riser Height and solve for Stairwell Opening
Built-in Right Angle Functions
Easy Area, Volume and Perimeter solutions with Length, Width and Height Keys
Drywall, Siding and Paneling Function calculates 4x8, 4x9 or 4x12 Sheets to cover an Area
Roof Function finds Area, Bundles, Pitch and Squares
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
Block and Footing solutions
Board Feet Lumber estimating
Additional Features

Large Multi-position Tilt Display LCD
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+) –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, ÷, %, ? 1/x, X2, and v
Automatic Shut-Off extends battery life
Includes

Easy-to-follow User's Guide
Long-Life Battery
Full One-Year Limited Warranty
Full Size Keys
English and Spanish CD-ROM with “How-To”
Videos and User’s Guide

Tech Specs

Size:
6.4” x 9.0” x 1.4” (162mm x 229mm x 35mm)

Weight:
.68 lb. / 10.8 oz. (308.4 gm.)
Does not include User’s Guide

Power:
Single 3-volt (CR-2032) Long-life Battery

Display:
11 Digits (7 normal, 4 Fractions) with Full Annunciators

LCD Dimensions:
1.4” x 5” (35 mm x 130 mm)

Accuracy:
10 Digit Internal Accuracy