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Interesting page, the rest of the site is good reading too.

I tend to use Wolfram Alpha quite a lot for this: e.g. http://www.wolframalpha.com/input/?i=3.14

Definitely, me too. I just thought it would be a good first test to just enter the first digits of PI. :)

I thought the obvious first number to try was 69..

It also wont say anything about sqrt(-1) :(

sqrt(-1) doesn't exist and i isn't a number, is it?

I tried that one too (3.141 actually); then I tried 'pi', but it told me to check Google.