x^2 is the usual convention.
Note: The latex code for is [tex]x^2[/tex]. See here: http://www.mathhelpforum.com/math-he...-tutorial.html
x^2 is the usual convention.
Note: The latex code for is [tex]x^2[/tex]. See here: http://www.mathhelpforum.com/math-he...-tutorial.html