[citation][nom]grieve[/nom]seriously... This guy only had stamina enough to use a calculator for 30 mins?"In a race with a human mathematician using a mechanical calculator, the human kept pace for 30 minutes, but then had to retire exhausted as the machine carried on remorselessly."Recycle that old POS, build 10000 new PC cases from it.[/citation]
He's using a mechanical calculator (they didn't have those fancy pocket calculators at the time), working furiously to keep up. And I think that even if he could keep going another half hour, there was little reason to do so, the conclusions would be the same.