An automation or electrical engineer often needs to convert analog value from one range to another. This application can help it. You may convert engineering unit to physical unit and vice-versa. For example you can convert 4 to 20 mA signal to 0 to 100 percentage or any other range of values. -You need to enter valid input and output range before calculating. You can enter these values either from drop down menu (presets) or manually typing it. -You can easily swap input and output range values by pressing 'Swap' button. - Some commonly used range of values are given in drop down menu for easy selection. - If you want to square root the input and then convert, check the check-box give. It is mainly useful when you want to calculate flow from a differential pressure transmitter or any other liner to square root calculation -I am not a professional android developer. Please send your feedback and suggestions by email provided in the description.