200+ Engineer Functions: For Dimension Calculations and Conversions,Area & Volume,Brick and Block,Concrete, Boards, Flooring, and Wall Stud,Drywall Sheet Count,Circle Area, Circumference, and Arc Properties,Compound Miter,Polygon Tiling,Roofing Material,Foundation Correction,Right Angle and Rafter,Roof Pitch and Angle Conversions,Common Rafter Length,Common//Jack Rafter and Spacing,Stair Layout,Rake Wall Calculations

Precision for Every Construction Mind: than 200 functions, designed specifically for engineering professionals, has 45 rebound hard PC buttons are reasonably distributed, than other engineering calculator.It supports custom parameters.and has 3 storage registers for convenient and smooth use

Lightweight and Energy-Saving: 16cm/6in*8cm/3in*1cm/0.3in, 95g weight, light and portable, 8-12 minutes of no automatically shut down without worrying about energy consumption

See It Once, Get It Right：With a 3" 12 digits large screen,Higher clarity and lager than other calculators.Clearer reading, fewer errors

-in- Fit: Suitable for people including builders, carpenters, concrete workers, contractors and DIY renovators, roofers, architects, interior decorators, construction estimators, engineering students, etc