Hex! Programmers use hexadecimal all the time. Its usefulness stems from the fact that it's basically shorthand for binary.
Teaching arbitrary bases is important, just nowhere near as important as the New Math tried to make it. (Same goes for set theory.) Historically, not every civilization has used base ten. The Babylonians used base 60, the Mayans base 20, and so on. It's good to have some introduction to the concept.
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FiveMinute.net: because stuff is long and life is short
[03:17] FiveMinZeke: Galactica clearly needs the advanced technology of scissors, which get around the whole "yanking on your follicles" problem.
[03:17] IJD: cylons can hack any blades working in conjunction
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