Construction Master 5 calculatorThe Essential Tool for Building Professionals With the Construction Master 5, you'll get easy to use fast, accurate construction math solutions for plans, layouts and on site construction. Enter the numbers, just as you would say them, and the answers appear in an instant. Calculate roofs, stairs, circles, and more. Works in and converts between feet inches fractions and decimals, including metric. Use it in the field or office to save time, reduce