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asmeurer
  • Member for 13 years, 11 months
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181 votes

Is $\frac{\textrm{d}y}{\textrm{d}x}$ not a ratio?

58 votes

Notation for repeated application of function

42 votes
Accepted

What exactly is infinity?

36 votes

Prove that if $g^2=e$ for all $g$ in $G$ then $G$ is Abelian.

35 votes
Accepted

Is there a(n elementary) function whose derivative we cannot integrate?

24 votes

Is $0! = 1$ because there is only one way to do nothing?

15 votes
Accepted

Wisdom of using Sympy as a first CAS

12 votes

Pedagogy: How to cure students of the "law of universal linearity"?

11 votes

Is there another representation for $x^x$

11 votes

What does it mean when dx is put on the start in an integral?

10 votes

Give a concrete sequence of rationals which converges to an irrational number and vice versa.

10 votes

Online tools for doing symbolic mathematics

8 votes

How to show $\lim_{x \to 1} \frac{x + x^2 + \dots + x^n - n}{x - 1} = \frac{n(n + 1)}{2}$?

8 votes

Why is the exponential function not in the subspace of all polynomials?

7 votes

Is there another simpler method to solve this elementary school math problem?

7 votes

Can every proof by contradiction also be shown without contradiction?

7 votes

CAS with a standard language

5 votes

Do we need to formally teach the Greek Alphabet?

5 votes

Why don't we define "imaginary" numbers for every "impossibility"?

4 votes
Accepted

Working out digits of Pi.

4 votes

All natural numbers are equal.

4 votes

Formula for the sequence repeating twice each power of $2$

4 votes

Taking the square root of an imaginary number

4 votes

Are there any limit questions which are easier to solve using methods other than l'Hopital's Rule?

4 votes

Correct set notation for "all integers which are not multiples of 7"?

3 votes

Am I just not smart enough?

3 votes

Unsolvability of a Quintic and its link with "Simplicity" of $A_{5}$

3 votes

A misleading commutative diagram

3 votes

Computer algebra system for solving systems of partial differential equations / PDEs

3 votes

Is this the right way to multiply series?