Calculated Industries 4065 Hand-Held Construction Master Pro Advanced Math Calculator

Advanced feet-inch-fraction construction-math calculators with full trigonometric function. Dedicated keys and functions make it easy to use.

● Work in and convert between any building dimension
● Run, rise and pitch keys provide built-in right angle solutions for stair, roof and rafter layouts
● Calculate area, volume, diagonal (square-up), perimeter and more with length, width and height keys
● Calculate roof plan area, pitch, bundles, squares and 4 x 8 sheets
● Drywall, siding, panels: find the number of sheets for an area
● Weight per volume conversions
● Complete stair layouts: treads, risers, stringers; including stairwell opening and floor thickness
● Roof, rafter and framing solutions including hip/valley, jacks, cutting angles, rake-walls and equal sided polygons
● Find number of studs on-center for an entered length
● Advanced circular calculations including column/cone, arcs, circumference and segments
● Special functions include: board feet, cost per unit, compound miter cut angles and crown angle
● Work in yards, feet, inches and fractions; as well as full metrics
● 11-digit display (7 normal, 4 fraction) with full annunciators
● 4 memory locations
● Paperless tape