44080 Construction Master Pro-Desktop Advanced Construction Math Feet-Inch-Fraction Calculator with Trig Tool for Architects, Estimators, Contractors, Builders and Remodelers

SOLVE ALL YOUR DIMENSIONAL MATH: Quickly and accurately with the award-winning CM Pro-Desktop construction calculator's powerful built-in solutions for building; and full trig functions with sine, cosine, tangent, arcsine, arccosine and arctangent.
EFFORTLESS CONVERSION BETWEEN BUILDING FORMATS: 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: 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.
PREVENT COSTLY MATERIAL WASTE: Built-in solutions for roofing, drywall, studs, blocks, concrete footings and board-feet lumber estimating. Plus compound miter functions help avoid errors when working with crown molding and other millwork.
PROFESSIONAL CONSTRUCTION TOOL: Reduces headaches, saves time and prevents expensive material errors on your projects, from the office to the field. Comes with a large digits on easy-to-see multi-position tilt display LCD, easy-to-follow user's guide, plus a pocket reference guide in Spanish, full-size keys, long-life battery.
REESE'S LAW COMPLIANT BATTERY DESIGN: Button-cell battery compartment is secured with a tool-required fastener to help prevent unintended access and align with current U. S. federal safety requirements (16 CFR Part 1263). Battery compartment remains secured during normal use, transport, and handling