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Feb 21, 2023 at 3:40 comment added Timothy Chow See also James Dolan's series of sci.math posts on how carrying is a 2-cocycle.
May 22, 2019 at 19:55 comment added Timothy Chow Along similar lines is Dan Isaksen's "Cohomological Viewpoint on Elementary School Arithmetic" jstor.org/stable/3072368
May 22, 2019 at 14:14 history made wiki Post Made Community Wiki by Todd Trimble
May 21, 2019 at 21:32 comment added David G. Stork Several years ago I attended a wonderful talk by Persi Diaconis in the Stanford Statistics Department where he used very sophisticated statistics to analyze properties of elementary-school arithmetic, such as the statistics of how frequently you must perform a carry when adding or multiplying multi-digit numbers. Not what you're seeking, but close. statweb.stanford.edu/~cgates/PERSI/papers/…
May 21, 2019 at 20:12 history answered Gerhard Paseman CC BY-SA 4.0