Convert is a simple application that facilitates conversion of units generally used in ballistic software ... Velocity, Weight, Energy, Pressure, Length, Temperature, Volume, Density, Power and Angle. In use: 1) select the variable to be converted (say Velocity) 2) tap the green button until it displays the known unit, (say Ft/s) 3) enter the known value, 4) tap the green button until the required unit is shown, (say m/s) and, 5) the converted value is shown.