We are often taught that $f'$ came from Newton and $\frac{df}{dx}$ came from Leibniz, but who introduced $Df$? Are there other notations for this simple idea by famous mathematicians?
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Wikipedia calls it "Euler's notation". Things are misnamed all the time in math, but maybe Euler came up with it. – Oct 30 '15 at 00:34
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Some related discussion is given for this History of Science and Math Question. – hardmath Oct 30 '15 at 00:40
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Newton came up with $\dot{y}(t)$ (fluxion), which is still used in physics. Lagrange with $f'$. According to this source $D$ was used (as operator) by Arbogast first.
mvw
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According to Wikipedia, this is Euler's notation. You can find some more discussion of notations on the linked page. One other notation of particular note is $\dot x$ to mean the derivative of a quantity $x$ with respect to time. This is a reasonably common notation in physics, though is less often seen in pure mathematical contexts.
Milo Brandt
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