You can put this solution on YOUR website! If you are talking about the ^ (carat) sign, this is often used in LaTeX, Mathematica, and other typeset languages to denote an exponent, but it can generally be used with anything "raised" similar to superscript. For example, 2 to the third power can be written as 2^3, and in LaTeX it will turn out something like
or we can put something larger in the exponent, except we have to use {} to clearly define the "exponent"
