I found this useful site where you can search for equations.
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In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
No great discovery was ever made without a bold guess.
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!
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.