Quite surprisingly, you just need ordinary algebra, no calculus, no tensors to scare the hell out of you.
Enjoy.
http://soi.blogspot.ca/2013/06/einsteins...ation.html
Note: no ads, not trying to get more clicks, :-D
Enjoy.
http://soi.blogspot.ca/2013/06/einsteins...ation.html
Note: no ads, not trying to get more clicks, :-D