The Construction Math Auto Calculator App and Desktop is the simplest mobile construction calculator in the world. We made the calculator simple to use with fast accurate built-in solutions to solve complex problems. It is perfect for on the go first time do it yourself, small and large contractors who need quick estimation calculations of quantity of materials, dimensions, and estimation for bids. The Construction Math Auto Calculator can save valuable time, material, and money. No one in the construction trades or should be without it!