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Jun
18
answered Quartic Solution on Wikipedia special cases problem $S=0$ how to “change the choice of cubic root”?
Jun
18
answered Quartic Solution on Wikipedia special cases problem $S=0$ how to “change the choice of cubic root”?
Jun
15
answered A misleading commutative diagram
Jun
14
answered Computer algebra system for solving systems of partial differential equations / PDEs
Jan
6
asked Finding the location of an image of the Mandelbrot set
Dec
16
answered Is Cantor's diagonal argument dependent on the base used?
Dec
1
answered Proving formula for sum of squares with binomial coefficient
Nov
14
answered Give a concrete sequence of rationals which converges to an irrational number and vice versa.
Oct
9
answered Am I just not smart enough?
Aug
11
answered Is “$a + 0i$” in every way equal to just “$a$”?
Jun
23
answered Is there a(n elementary) function whose derivative we cannot integrate?
Mar
23
answered Why did mathematicians take Russell's paradox seriously?
Mar
7
answered Do we need to formally teach the Greek Alphabet?
Feb
8
answered Help in understanding risch algorithm
Jan
11
answered Pedagogy: How to cure students of the “law of universal linearity”?
Nov
19
answered Derivative of big O symbol
Nov
4
answered Why don't I get $e$ when I solve $\lim_{n\to \infty}(1 + \frac{1}{n})^n$?
Aug
29
answered Is there another simpler method to solve this elementary school math problem?
Jul
25
answered How to show $\lim_{x \to 1} \frac{x + x^2 + \dots + x^n - n}{x - 1} = \frac{n(n + 1)}{2}$?
Jul
16
asked Bound on number of zeros in smallest prime greater than $10^n$