Simple Machines Calculators comprises a selection of 6 different calculators that will simplify calculations which have given you headaches so far. Complex calculations, such as Pulley Mechanical Advantage, Mechanical Advantage of Wheel and Axle and others listed below will be handled easily with this app. > Mechanical Advantage of a Lever > Mechanical Advantage of Wheel and Axle > Mechanical Advantage of an Inclined Plane > Pulley Mechanical Advantage > Mechanical Advantage of a Wedge > Mechanical Advantage of a Screw Features: – Formula and description for each calculator – Copy / Paste params and results – Clean, simple and easy to use.