History of Science and Mathematics Beta
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Michael Bächtold

Apparently, this user prefers to keep an air of mystery about them.

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  • Switzerland
  • hslu.ch/en/…
  • Member for 5 years, 4 months
  • 183 profile views
  • Last seen May 13 at 16:05

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20 Who first considered the $f$ in $f(x)$ as an object in itself, and who decided to call it a function? Jun 3 '17
17 Is the prime notation for derivatives $f'$ due to Euler? Jun 19 '17
11 When and why did $\frac{dy}{dx}$ become $\frac{d}{dx}y$? Oct 14 '18
10 When was the function arrow notation $x \mapsto y$ first used? Mar 9 '17
9 Who introduced the notation $y|_{x=a}$? Nov 3 '16
7 Historical occurrences of mathematicians substituting terms for $x$ in the denominator of $\mathrm{d}y/\mathrm{d}x$? Oct 20 '17
7 Who invented the Leibnitz notation $\frac{d^2y}{dx^2}$ for the *second* derivative? Oct 26 '18
7 $\frac{dy}{dx}$ versus $\frac{{\mathrm d}y}{{\mathrm d}x}$ Feb 28 '18
6 Who introduced random variables into probability? Feb 2 '19
6 Who first considered the $f$ in $f(x)$ as an object in itself, and who decided to call it a function? Jun 5 '17
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