Calculated Industries 4080 Construction Master Pro Trigonometric Calculator

The Construction Master Pro Trig provides construction professionals with complete trig functions to help them quickly and easily solve complex construction-math problems. It saves time, reduces costs and prevents re-work. You can effortlessly work in and convert between feet-inch-fractions and metric units. Instantly calculate complex construction challenges for stair layouts, roofs, framing and much more. Full trig functions with sine, cosine, tangent, arcsine, arccosine and arctangent.

Construction Calculations:
Work in and convert between any building dimension, including Metric
Trig Function
Find Weight per Volume
Built-in Right-Angle solutions
Complete Stair Layouts
Roof, Rafter and Framing solutions
Circular: Arcs, Circumference, Segments and More
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 Trig Function: Sine, Cosine, Tangent, Arcsine, Arccosine and Arctangent simplify complex design and construction-math

Built-In Time Saving FunctionsComplete 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 +, -, +/-, ×, ÷, %, π, 1/x, x2, and √
Automatic Shut-Off saves battery life

Includes
Rugged shock, dust and moisture-resistant Armadillo Gear case
Pocket Reference Guides in English and Spanish
Two LR44 long life batteries
One-year warranty