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29% OFF Now! The Construction Master 5 is fun to use. Quickly find solutions to building and dimensional problems that seem to come-up and you haven't used the math formulas for years. Enter the numbers, just as you would say them, and the solutions appear in an instant they're built-in to your Construction Master 5. Reduce the risk of expensive errors when estimating dimensions, costs and materials. Save time, money and frustration

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