Archive for September 26th, 2007

Explaining the Excel Bug

Wednesday, September 26th, 2007

Joel on Software examines the recent Excel 2007 bug.

By now you’ve probably seen a lot of the brouhaha over a bug in the newest version of Excel, 2007. Basically, multiplying 77.1*850, which should give you 65,535, was actually displaying 100,000.

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xkcd: Blue Eyes - The Hardest Logic Puzzle in the World

Wednesday, September 26th, 2007

xkcd presents a tough logic puzzle.

I’ve done my best to make the wording as precise and unambiguious as possible (after working through the explanation with many people), but if you’re confused about anything, please let me know. A word of warning: The answer is not simple. This is an exercise in serious logic, not a lateral thinking riddle. There is not a quick-and-easy answer, and really understanding it takes some effort.

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