How can I improve my understanding of the rocket formula?

[paulmatzke]

Help! with rocket formula

Look at the attachement of that please there is a mathtype pic...

thanks for helping

your paul

 

[arildno]

I'm sorry, I found the approach chaotic.
I recommend you to read the following tutorial, which includes the derivation of the rocket equation:
https://www.physicsforums.com/showthread.php?t=72176