Évelyne Barbin
4 articles published in Tangente
Math for everyoneN°78May 20, 2021Give Euclid his due...
Geometric constructions are central to reasoning in Euclid's The Elements. The various methods of teaching geometry, right up to the present day, claim to follow this approach.
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Math for everyoneN°78May 19, 2021Straightedge and compass in education
How long have schoolchildren been drawing geometric figures with a straightedge and compass? More importantly, why? Even elementary geometric constructions must be introduced progressively, and this requires knowledge to be organized systematically.
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Math for everyoneN°74Apr 15, 2020The early history of the cycloid
It took decades to uncover the geometric properties of cycloids and trochoids. The scholars who studied them began with physical or practical questions before turning to these remarkable curves themselves.
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Math for everyoneN°174Jan 16, 2017Speaking, seeing, comparing: Five historical texts
Mathematical writings contain words, but also signs, symbols and figures. Texts are therefore meant to be looked at as much as read, as works of geometry from antiquity to the present day attest.
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