Why Floating Point Numbers Fail for Money Calculations 💸

Why can't floating point do money? It's a brilliant solution for speed of calculations in the computer, but how and why does moving the decimal point (well, in this case binary or radix point) help and how does it get currency so wrong?

3D Graphics Playlist: http://www.youtube.com/playlist?list=PLzH6n4zXuckrPkEUK5iMQrQyvj9Z6WCrm
The Trouble with Timezones: http://youtu.be/-5wpm-gesOY

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This video was filmed and edited by Sean Riley.

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