The choice of professional builders and contractors worldwide!

The Construction Master® 5 feet-inch-fraction calculator features a broad range of nearly automatic construction-math problem solutions.

From its single key solutions to arc length, circumference, circle area, board feet conversions and weight-per-volume conversions, this popular calculator works directly in mostany common construction or building dimensional format. It adds, subtracts,multiplies and divides right in feet-inch-fractions, decimal feet (10ths, 100ths), inches, fractions, decimal inches, yards, meters, entimeters, millimeters... even square and cubic dimensions. Plus, it converts to and from any dimensional format.

The Construction Master 5 will automatically find lengths of rafters, regular (45°) and irregular (non-45°) hips, valleys and jacks, stair stringers, angle of incline, number of risers and treads for any landing-tolanding height, plus riser height and tread width.

It covers practically any construction, building or remodeling application and will save time and money. Features “paperless” tape for reviewing past 20 entries.

Includes easy-to-follow pocket reference guides in English and Spanish, CD-ROM with English and Spanish “How-To” CD and user guides, long-life batteries and a full one-year limited warranty.