e to the pi Minus pi

Person: Hey, check it out: e^pi-pi is 19.999099979. That's weird. Hat Guy: Yeah. That's how I got kicked out of the ACM in college. Person: . . . what? Hat Guy: During a competition, I told the programmers on our team that e^pi-pi was a standard test of floating-point handlers--it would come out to 20 unless they had rounding errors. Person: That's awful. Hat Guy: Yeah, they dug through half their algorithms looking for the bug before they figured it out. {{alt text: Also, I hear the 4th root of (9^2 + 19^2 22) is pi.

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