I found this useful site where you can search for equations.
Welcome to the forum.
In mathematics, you don't understand things. You just get used to them.
I agree with you regarding the satisfaction and importance of actually computing some numbers. I can't tell you how often I see time and money wasted because someone didn't bother to run the numbers.
Hi lightningbolt ... nice domain name.
"The physicists defer only to mathematicians, and the mathematicians defer only to God ..." - Leon M. Lederman