This is a calculator that can be used to quickly obtain propulsion parameters of any type of ion thruster.

This calculator can allow you to elevate a rotor stator stage for an axial compressor.

This is a calculator that calculates the Pressure, Temperature, Density, Speed of Sound, and Dynamic Viscosity at a given altitude.

This is a calculator that calculates the thrust, specific impulse and other parameters of a converging and diverging nozzle.