Calculated Industries 44065 Desktop Construction Master Pro Construction Calculator with Paper Tape Printer Built-in paper tape printer lets you record and double check your calculations and print complete multiple answer solutions Calculator works in and converts between feet, inches, fractions and metric?including square and cubic Rafter/jack rafter functions for regular and irregular pitched roofs; easily find hips, valleys and jacks plus cutting angles Complete functions for stairs, circular solutions and trigonometric will solve any construction-math problem Includes user's guide, AC power supply and a 1-year warranty