Advanced construction math calculator for building professionals. Works in and converts between feet, feet-inch, fractions, decimal feet, yards and full metric. Quick solutions for right angles, rafters (common, hip valley and jack), rake-walls, stairs, weight/volume, materials conversions, circular solutions and full dimensional conversions. Many new and enhanced features, including backspace key, footing, block, roof and column keys.

Works in and converts between all building dimensional formats, solves right angles, including rafters, rake-walls, slopes and square-ups stair layout calculations, advanced circle solutions, and volumes board feet, material cost estimation problems.

Includes: user’s guide, batteries and case.