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Calculator, Concrete Calculator

# C21020

-Automatically calculates areas and volumes with length, width and height keys
-Automatic square-ups and right-angles
-Block & footing keys for fast, accurate material estimates
-Weight per volume conversions
-Instant solutions for circle area, arcs and circumference
-Complete stair solutions for risers, treads, stringers, incline angles
-converts to and from all dimensions
-Per unit key for costing materials
-Includes: life-long (CR-2032) Lithium battery, user’s guide, vinyl case, 1-year limited warranty