Jérôme Gavin
JG
Signed articles
2 articles published in Tangente
Math for everyoneN°184Sep 24, 2018The magic of domino divisibility tests
You know the divisibility tests for 2, 3, 4, 5, 10, 20… and perhaps others as well. But are you familiar with "domino tests"? Variants of a famous divisibility test for 11, they make for a wonderful mathematical playground!
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History and CultureN°177Jul 17, 2017Why not base 12?
If you talk to people about the history of arithmetic, whatever your specific subject, you can expect someone to ask this question at the end: why is our numeral system base 10 when base 12 would be so much more practical?
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