Calculated Industries Construction Master 5 calculator

CI4050-Construction Calc. Works in all dimensional formats. Fractions, metric, decimal, dimensional, etc. Handles all fractions-1/2's, 1/4's, 1/8's, 1/16's, 1/32's, 1/64's
Work in fractions for all sorts of dimension problems. You can even set fraction denominators to display your desired accuracy (in above fraction formats).
Right-Angle Solutions
Instant square-ups, slopes, rafter length and rake wall solutions. No more formulas or memorization of Pythagorean theorem! Pitch, Rise, Run, Diagonal/Common, Hip/Valley and Jack keys find rafter lengths instantly. Also solves for lengths of irregular Hip/Valley and Jack rafters.
Automatic Stair Calculations
Finds number of risers, treads, riser height, tread width, and any underage or overage for stairway layouts. Also calculates stringer length and angle of incline.
Circle Solutions
Solves circumference, circle area, arc lengths for columns, post holes, pillars and more.
Instant Area & Volume Calculations
For fast & accurate material estimates, such as volume of concrete.
Weight per Volume Key
Lets you convert between weights (lbs, tons, kg) and find weights of any material (e.g., tons per cubic yard).
Board Feet Key
Helps estimate material amounts and costs of lumber.
Complete with Long-Life Battery, Users Guide & now CD Rom! Limited time only-FREE UTILITY KNIFE WITH EACH PURCHASE!