On 21-9-2010 20:18, nemesis wrote:
> Mike Raiford escreveu:
>> So, I'm not formally trained in mathematics at all. Normally, I can
>> muddle through. I kept seeing the following mysterious symbol: Π
>>
>> Err... what on earth?
>>
>> Then, today, I was poking around with MathML and saw the symbol on a
>> sample page, right-clicked and looked at the mark-up.
>>
>> Product.
>
> looks like pi to me...
>
Probably because it is. Just as summation is a capital Sigma a product 
is a capital Pi. That made sense to the people that invented the 
convention, it might not work in every language, but in Dutch and 
English it does.

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