Top-of-the Line Jobsite Calculator for Builders, Carpenters & Construction Pro's Work Smarter, Build Better, and Improve Your Bottom Line! We've taken the best features of the original Construction Master IV, added some useful new "Pro" functions, and made it even easier to use! An essential jobsite "tool." It's the most complete Builder's Calculator on the market! The Construction Master Pro calculator was designed specifically for builders, general contractors, construction foremen or superintendents, carpenters, framing contractors, concrete/foundation contractors, remodelers and other construction pros. It helps you: Cut Costs and Errors Boost Estimate Accuracy Improve Crew Productivity Maximize Profitability You no longer have to deal with tedious or repetitive calculations--common building formulas are built in, so you don't have to remember them! Features: Dimensional Math and Conversions: Work Directly in Feet, Inches, Fractions, Yards and Metric Handles All Fractions-1/2's, 1/4's, 1/8's, 1/16's, 1/32's, 1/64's Instant Area and Volume Easy Right Angle and Rafter Calculations, Including Slopes, Square-Ups, Common Rafter Lengths Regular and Irregular Hip/Valley Rafter Lengths Regular and Irregular Jack Rafter Lengths Complete & Enhanced Stair Riser/Tread Solutions, for Fast and Accurate Stair Layout Board Feet/Lumber Estimation Per Unit Material Cost Six Material Estimation Functions, Including: Block, Brick, Column, Cone, Footing, Roof Custom Rafter Settings, such as Ascending or Descending Lengths Plumb, Level and Cheek Cut Angles Improved Rake Wall Function Advanced Circle Solutions D:M:S to Decimal Degree Conversions Acres, Kilograms, Pounds, Tons and Metric Tons Conversions Handy Backspace Key Memory Storage Keys User Set Preferences Paperless Tape Works as a Regular Calculator Also Includes: Hard, Protective/Durable Case Large, Easy-to-Read User's Guide Small, Pocket Reference Guide Long-Life Battery 1-Year Warranty Construction Master Pro Calculator 4060$76.95 Need more information? Please feel free to contact us at 1-800-592-6940 - Ask for Extension 547 or Internet Sales.