Construction Master Pro Trig Advanced Feet-Inch-Fraction Construction-Math Calculator with Full Trigonometric Function The Construction Master Pro Trig 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. 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 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 For Contractors, Architects, Engineers, Project Managers, Estimators, Draftspersons, Builders, Framers, Carpenters, Tradespersons Features: 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, χ, %, Π, 1/x, X2, and √ 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 Item #: 4080 CDN $129.95 ea. Add To Cart