Simple rocket simulator

The best thing for ordinary people is to use a spreadsheet to build a model, like :
Excel Simulation of a one stage rocket going to LEO
But you can have a quick glimpse with this simple simulator :
Enter the parameters of the rocket motor here :

aerodyn.
Surface (m^2)

Exhaust speed

Total mass

Propellant
mass

Ejected Mass
per second

End time

There are the results in meter (~1 yard), kg (~2 pounds) and second:

Length of
combustion
chamber

Volume of
combustion
chamber

Length_of_tanks

Throat_diam

Ratio Dry On Full

Th_with_equ

Real Speed

NetPropForce

Air Drag

Altitude