SOLVE ALL YOUR DIMENSIONAL MATH quickly and accurately with the award-winning CM Pro construction calculator’s powerful built-in solutions for completing layouts, plans, bids, estimates and more, directly in the building units you prefer LETS YOU EFFORTLESSLY WORK IN AND CONVERT between all common building dimension formats: feet-inch-fractions, decimal feet-inches, yards and METRIC -- including area and volume. Plus weight-per-volume and D:M:S to decimal degree conversions too TIME-SAVING BUILT-IN FUNCTIONS for right angles give you instant solutions for square-ups, rafters (hip, valley, jacks), rake-walls, slopes, angles and more. Plus complete stair layout, advanced solutions for arcs, arches, circles, columns and more PREVENTS COSTLY MATERIAL WASTE with built-in solutions for roofing, drywall, studs, blocks, concrete footings and board-feet lumber estimating. Plus compound miter functions help you avoid errors when working with crown molding and other pricey millwork INVALUABLE' TOOL PAYS FOR ITSELF DAILY by reducing headaches, saving time and preventing expensive material errors on all your projects, from the office to the field. Comes with a rugged shock, dust and moisture-resistant Armadillo Gear protective case, pocket reference guides in English and Spanish, two LR44 long-life batteries and a full one-year limited warranty, Weight: 0.51 Pounds, Manufacturer: Calculated Industries