Reminds of when Feynman invented his own trigonometric notation (but then later switched to the notation everyone else uses just for the sake of making himself

Reminds of when Feynman invented his own trigonometric notation (but then later switched to the notation everyone else uses just for the sake of making himself understood) https://www.cambiaresearch.com/articles/83/rule-6---adapt-and-adopt https://www.cambiaresearch.com/articles/83/rule-6---adapt-an...