Construction Master PRO Trig
Model: CI4080 (DISC)
    Retail: $89.95
    Was: $75.20
    Sale: $60.16
    You Save: $29.79 (33.1%)

    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
    • Rugged shock, dust and moisture-resistant Armadillo Gear case
    • Pocket Reference Guides in English and Spanish
    • Two LR44 Long-Life Batteries
    • Full One-Year Limited Warranty
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