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= Hack #39: Turn Your Hands into an Abacus = You might have heard stories of how rapid and accurate calculations with an abacus can be, but did you know that the abacus might have been based on an ancient technique using only the human hand, which survives today as the Korean art of Chisenbop? == Additions and Suggestions == Concrete ideas to modify and expand this hack go here. == Discussion == Freeform discussion of this hack goes here. == Links == * Wikipedia on Chisenbop: http://en.wikipedia.org/wiki/Chisenbop * Interactive, animated Chisenbop tutorial: http://www.cs.iupui.edu/~aharris/chis/chis.html == Errata == Errata go here. == Hack Author == ["Ron Hale-Evans"] == Return to Main Book Page == This is a page for a hack from the book MindPerformanceHacks by ["Ron Hale-Evans"].
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