Get fast access to measurements and angles with this Calculated Industries Construction Master Pro advanced construction math calculator. A built-in easel lets you operate this calculator while jotting down figures and creating building plans, and the compact size fits in a toolbox or belt. The 11-digit display shows whole numbers and fractions, so you can quickly read solutions to problems. With a clearly labeled color-coded keypad, this calculator offers effortless operation. Angle functions for slopes and calculations for stair risers ensure accurate measurements for complicated designs, and options for circles, arches and pillars take the guesswork out of rounded construction features. This Calculated Industries Construction Master Pro advanced construction math calculator provides a paperless review of the last 20 figures for easy recall.