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Michael Bächtold's user avatar
Michael Bächtold's user avatar
Michael Bächtold's user avatar
Michael Bächtold
  • Member for 8 years, 5 months
  • Last seen this week
6 votes
0 answers
69 views

When were arrows first used to visualise vectors?

1 vote
1 answer
121 views

Early uses of the word "operator" in mathematics

8 votes
2 answers
790 views

Did Euler ever write $f(x)$, with parentheses?

11 votes
1 answer
522 views

When and why did $\frac{dy}{dx}$ become $\frac{d}{dx}y$?

7 votes
1 answer
379 views

Historical occurrences of mathematicians substituting terms for $x$ in the denominator of $\mathrm{d}y/\mathrm{d}x$?

1 vote
1 answer
154 views

Where did Euler prove 'his' theorem on homogeneous functions?

2 votes
0 answers
271 views

Where did Euler derive the wave equation in 3d?

24 votes
2 answers
3k views

Who first considered the $f$ in $f(x)$ as an object in itself, and who decided to call it a function?

17 votes
2 answers
848 views

Is the prime notation for derivatives $f'$ due to Euler?

9 votes
2 answers
517 views

Who introduced the notation $y|_{x=a}$?

12 votes
3 answers
2k views

When was the function arrow notation $x \mapsto y$ first used?

3 votes
1 answer
208 views

Was the word "function" used in mathematics prior to Leibniz?