Apr 19, 2024 #1 rodgthedodge 1 1 How did you find PF? Google search Hello everyone let me say hello. My name is Rodger, I am 67 yrs old and not very good at maths or physics so need a little help.
Hello everyone let me say hello. My name is Rodger, I am 67 yrs old and not very good at maths or physics so need a little help.