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Overview

Advanced Feet-Inch-Fraction Construction-Math Calculator

The Construction Master Pro sets the industry standard for advanced construction-math calculators. It provides powerful built-in solutions and expanded preference settings. It’s easy to use in the field or office and perfect for completing plans, layouts, bids and estimates – saves time, money, materials and frustration. Work smarter, build better and improve your bottom line with the Construction Master Pro!

Calculations:

Work in and convert between building dimensions, including Metric
Built-in Right-Angle solutions
Areas, Volumes, Square-ups
Complete Stair Layouts
Roof, Rafter and Framing solutions
Circle: Arcs, Circumference, Segments
New Features, Functions and Enhanced Solutions:

Drywall – Siding and Panels
Stairs – Riser Height and solve for Stairwell Opening
Studs On-center
Compound Miter Cuts
Arched Rake-Walls
For Contractors, Estimators, Architects, Carpenters, Framers, Draftspersons, Engineers, Builders, Tradespersons

Features

Dimensional Math and Conversions

Work in and convert between building dimensional formats: Yards, Feet-Inch-Fractions, Decimal Feet-Inches and Metric – including Area and Volume
D:M:S to Decimal Degree conversions
Find Weight per Volume
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 for Square-ups, Slopes and more
Area, Volume and Perimeter solutions with Length, Width and Height Keys
Drywall, Siding and Paneling Key calculates 4x8, 4x9 or 4x12 Sheets to cover an Area
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 Miters 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

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: Review of last 20 entries; double-check totals
Standard Calculations: works as a regular math calculator with +, -, +/-, x, ÷, %, ?, 1/x, X2, and v
Automatic Shut-Off saves battery life
Includes

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

Size:
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

Power:
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 mm x 63.5 mm)

Accuracy:
10 Digit Internal Accuracy