Construction Calculator Industrial & Scientific ROATEE Engineering Calculator for Contractor, Concrete Pocket Feet-inch-Fraction Calculators Carpenter, Estimator, Builder, Framer, Remodeler, Renovator Gray

All-in-One Fit: Suitable for most people including builders, carpenters, concrete workers, contractors and DIY home renovators, roofers, architects, interior decorators, construction estimators, engineering students, etc. See It Once, Get It Right：With a 3" 12 digits large screen,Higher clarity and lager than other calculators.Clearer reading, fewer errors. Lightweight and Energy-Saving: 16cm/6in*8cm/3in*1cm/0.3in, 95g weight, light and portable, 8-12 minutes of no operation automatically shut down without worrying about energy consumption. Precision for Every Construction Mind: More than 200 functions, designed specifically for engineering professionals, has 45 fast rebound hard PC buttons are reasonably distributed, more than other engineering calculator.It supports custom parameters.and has 3 storage registers for more convenient and smooth use. 200+ Engineer Functions: For Mixed 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/Hip/Jack Rafter and Spacing,Stair Layout,Rake Wall Calculations.