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Desktop version of the Construction Master IV.

We've taken the best features of the original Construction Master IV, added some useful new "Pro" functions, and made it bigger and easier to use! An essential tool for your office desktop. It's the most complete Builder's Calculator on the market!

In the office or at the drafting table, the Construction Master Pro--Desktop helps get the job done right the first time! Unlike a regular calculator, the Construction Master Pro--Desktop has large and intuitively labeled "construction keys" and a format that is so simple, even the novice user will find it easy to solve hundreds of problems directly in feet, inches and fractions!