Floating Point Numbers – Computerphile

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?

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This video was filmed and edited by Sean Riley.

Computerphile is a sister project to Brady Haran’s Numberphile. See the full list of Brady’s video projects at:

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