Diary (August 23, 2020): Difference between revisions
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== Diary == | == Diary == | ||
=== August 23, 1638 === | |||
[[File:René Descartes (23 Aug 1638).png|link=August 23|[[René Descartes (nonfiction)|René Descartes]], in a letter to [[Marin Mersenne (nonfiction)|Marin Mersenne]], proposed his folium (x-cubed + y-cubed = 2axy) as a test case to challenge [[Pierre de Fermat (nonfiction)|Pierre de Fermat]]'s differentiation techniques. To Descartes' embarrassment, Fermat's method worked.]] | |||
== In the News == | == In the News == | ||
Revision as of 05:35, 23 August 2020
Online diary of Karl Jones for Sunday August 23, 2020.
Previous: Diary (August 22, 2020) - Next: Diary (August 24, 2020)
Diary
August 23, 1638
