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Its use is taught in apprenticeship and\ntraining programs at the high-school, college, union and industry level across\nour country and beyond. An entire generation of framers and stick-builders\ngrew up using it and advising us on new capabilities they wanted built-in.\nBuilding materials and techniques have changed over the years but geometry and\nthe need to work quickly and accurately with dimensions is as important and\ndifficult as ever. Put the time-tested Construction Master Pro on your next\nproject and you’ll be glad you did.\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eADVANCED CONSTRUCTION MATH SOLUTIONS: 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\u003c\/li\u003e\n \u003cli\u003eEFFORTLESS UNIT CONVERSION: Work in and convert between all common building dimension formats including feet-inch-fractions, decimal feet-inches, yards and metric, with area and volume calculations, plus weight-per-volume and D:M:S to decimal degree conversions\u003c\/li\u003e\n \u003cli\u003eTIME-SAVING RIGHT ANGLE FUNCTIONS: Built-in functions for right angles provide instant solutions for square-ups, rafters (common, hip, valley, jacks), rake-walls, slopes, angles and more, plus complete stair layout and advanced solutions for arcs, arches, circles, and columns\u003c\/li\u003e\n \u003cli\u003ePREVENTS COSTLY MATERIAL WASTE: 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\u003c\/li\u003e\n \u003cli\u003eCOMES COMPLETE: Comes with a rugged Armadillo Gear protective case, pocket reference guide, two long-life batteries and a full one-year limited warranty for daily professional use\u003c\/li\u003e\n \u003cli\u003eSAFETY-COMPLIANT BATTERY DESIGN: Button-cell battery compartment is secured with a tool-required fastener to prevent unintended access and meet U.S. federal safety requirements (16 CFR Part 1263), remaining secured during normal use and handling\u003c\/li\u003e\n \u003c\/ul\u003e"}