ConcreteCalc Construction Master IV by Calculated Industries, Inc.     $79.95

Advanced Feet-Inch Calculator for Concrete, Paving & Masonry Pros!  Works directly in feet-inches, inches, any building fraction, decimal feet, yards, meters, millimeters, including square & cubic formats.

Converts to and from all dimensional formats, automatically calculates areas and volumes, new weight per volume conversions, built-in right-angle solution keys, “block” key finds number of blocks for any wall, “footing” key for footings, stem walls, curbs and gutters, complete stair solutions:  risers, treads and stringers, new paperless tape funtion to review entries, circular solutions…

Works as a regular math calculator and includes long-life lithium battery, user’s guide, vinyl case and 1 year warranty.

Construction Master IV Design Calc         $79.95

Designed for architects, designers, draftsmen, machinists and other design professionals.  Solve dimensional math with ease, english/metric conversions, instant right triangle solutions, bevel or pitch solutions, instant arc length solutions and circular area/perimeter solutions, material estimations and much, much more.