> Back in the Before-Before, the grapheme in ASCII at the codepoint ^ is now was an up-arrow character, which is why BASIC uses ^ for exponentiation even though FORTRAN, which came first and which early BASIC dialects greatly copied, uses .
That is, two asterisks in a row.
Heh. Be careful with this, though: ^ is the caret (note spelling) according to most sources of information about these things.
Random Fun Geekery Time: Back in the Before-Before, the grapheme in ASCII at the codepoint ^ is now was an up-arrow character, which is why BASIC uses ^ for exponentiation even though FORTRAN, which came first and which early BASIC dialects greatly copied, uses .
These days, ↑ is U+2191, or ↑ in HTML.
http://www.alanwood.net/unicode/arrows.html
http://www.fileformat.info/info/unicode/char/2191/index.htm
http://en.wikipedia.org/wiki/Caret