More from Amazon.com : http://www.amazon.com/gp/product/B0006HERO2?tag=purrfectcatdi-20
Calculated Industries 44080 Construction Master Pro Construction Calculator
Work in and convert between any building-math dimension Built-in Right-Angle function
Complete trigonometric function DMS conversions
Roof Rafter and Framing Solutions Complete Stair Layouts
Calculates Weight per Volume Footing Volume Blocks Roof Area
Circular Calculations Circumference Arcs Segments and More
