Hi mr plumber;
Welcome to the forum!
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Welcome To Maths Is Fun Forum!!!
"Let us realize that: the privilege to work is a gift, the power to work is a blessing, the love of work is success!"
- David O. McKay
Welcome mr plumber!
"The physicists defer only to mathematicians, and the mathematicians defer only to God ..." - Leon M. Lederman