On 22-9-2010 12:35, Invisible wrote:
>> Yeah I recall Sigma a lot in high school maths but I don't recall every
>> seeing Pi in this context. I don't recall when I discovered it, but it
>> was definitely after leaving education.
>
> You obviously had much greater mathematical education than me then!
>
>>> Then, today, I was poking around with MathML and saw the symbol on a
>>> sample page, right-clicked and looked at the mark-up.
>>
>> Or you could have, you know, asked here :-)
>
> What, to cries of GIYF?
>
> Or is that only when *I* ask something? :-P
Probably ;)
Actually no, because to ask google you need to know what it is.

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