Often overlooked, the equations contractors and woodworkers perform regularly are quite complex. With that in mind, well respected power tool manufacturer Dewalt released this app. It contains five free calculators for general construction, real world examples, illustrations and allows users to email their calculations to others. Those who will be using it frequently for work or their DIY project may want to look into in-app purchases such as additional calculators or "packages" for specific fields (such as the construction package).
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