Santa Clara student sets record for calculating pi

Ed Karrels, a Master's student, created a computer program to calculate pi and he's already reached the ten-quadrillionth unit. That beats the 2010 record previously set by a team from Yahoo.

Karrels says there really is no practical purpose in calculating pi so far out.

"Even astronomical calculations, worst case scenarios, you'll never need more than about 40 digits of pi," he said.

So why do it? Karrels says it's a nerd thing and as a computer guy it's just fun.

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