5 stars rated by ZDNET ! An easy to use customizable scientific conversions application for the professional piloteer. Now in COLOR ! The application has 37 different categories and holds nearly 500 different conversion factors. The program provides the following categories: length, area, weight, volume, power, time, angle, pressure, temperature, energy, force, density, velocity, acceleration, scientific prefixes, flow, illuminance and much more. The categories and factors are fully editable. The application has 8 empty categories for the user to customize.