• Work in and convert between any building dimension
• Trigonometric functions
• Find Weight per Volume
• Built-in Right-Angle solutions
• Complete Stair Layouts
• Roof, Rafter and Framing solutions
• Circular: Arcs, Circumference, Segments and More
• Compound Miter Cuts Arched Rake-Walls
• Includes an Armadillo Gear protective case
• Ideal for Contractors, Architects, Engineers, Project Managers, Estimators, Draftspersons, Builders, Framers, Carpenters, Tradespersons

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.