Programming with variables

[Fluggeil]

Hello,.....maby someone can helpb. Thanx.....

I want to programm a formular with different variables. And to solve always one variable........this one what i need for my calculations.

For example: v=Ks*Js^1/2*R^2/3. I want to put the arguments v, KS, JS and R in the "export" and to get the variabel what i need. Is this possibile?

Example: Ks=70, Js=35 and v=4 now i want to get R. Next time i need Ks and put all the others inside........

If you can help me would be great.

Thanx.