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Originally Posted by monster
beest and I are kind of lost by this notation. What does ".¯ " mean? it appears here to mean /9 -is that correct, and if so, why and how and all that stuff? srsly, we both have relatively high mathematical skills and have never seen this notation before. please 'splain, lucy!
(I wonderd if I was going nuts or senile, so I waited for beest's confirmation before I asked....  |
http://en.wikipedia.org/wiki/Overline scroll down to the math and science section
it's a notation that means repeat what follows the overbar. so, the decimal notation for 1/3 would be 0.33333333..forever. Since I don't have the easy chops to make the bar appear OVER the 3, I use the overbar (as a separate character) to precede the 3, but it means the same.