I found this useful site where you can search for equations.
Welcome to the forum.
If it ain't broke, fix it until it is.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.
Hi lightningbolt ... nice domain name.
"The physicists defer only to mathematicians, and the mathematicians defer only to God ..." - Leon M. Lederman
Welcome to the forum!
It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.