4065 Construction Master Pro

Overview 4065 Construction Master Pro (4065) is designed for professional construction calculations and building trades applications. This specialized calculator enables contractors, architects, and building professionals to perform complex dimensional calculations directly in multiple measurement formats. Model Number 4065 Weight 0.90 lb Color Silver Power Source 2 x LR44 Batteries (Included) Brand Calculated Industries Technical Features Multi-format dimensional calculations in feet, inches, fractions, yards, meters, centimeters, and millimeters, enabling seamless unit conversion across construction projects Square and cubic format calculations for each measurement unit, streamlining area and volume computations Custom rafter keys calculate common rafters, regular and irregular hips, valleys, and jacks for precise roof framing Enhanced Stair key determines number of risers and treads, riser height, tread width, stringer length, and incline angle for accurate stair construction Block and footing keys provide foundation calculation capabilities for structural work Rafter cutting angles and roof area calculations support roofing applications Column and cone solution functions for specialized geometric calculations D.M.S. to decimal degree conversions for precise angle measurements Board feet estimating capability for lumber quantity calculations Weight-per-volume conversions for material estimation Three memory functions for storing frequently used calculations Paperless tape feature remembers last 20 entries for calculation review Backspace key allows correction of input errors without clearing entire calculations Applications Construction project estimation and material calculations Architectural design and building layout Roofing and framing calculations Stair construction planning Foundation and footing design Lumber and material quantity estimation