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ncmathsadist

Chapel Hill, NC

http://www.ncssm.edu/~morrison

I am the chief wizard of computing at http://www.ncssm.edu

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89
Examples of patterns that eventually fail
math.stackexchange.com

71
Surprising identities / equations
math.stackexchange.com

66
Why can ALL quadratic equations be solved by the quadratic formula?
math.stackexchange.com

57
Why is $L^{\infty}$ not separable?
math.stackexchange.com

56
Is there a mathematical symbol for “For every element”?
math.stackexchange.com

51
Prove: $\int_0^\infty \sin (x^2) \, dx$ converges.
math.stackexchange.com

51
What is the purpose of the first test in an inductive proof?
math.stackexchange.com

41
Your favourite application of the Baire Category Theorem
math.stackexchange.com

41
Prime factorization of 1
math.stackexchange.com

40
Interesting “real life” applications of serious theorems
math.stackexchange.com

39
Why $0!$ is equal to $1$?
math.stackexchange.com

36
Teaching binary encoding - using different symbols
cseducators.stackexchange.com

33
What does list[x::y] do?
stackoverflow.com

29
Changing a number between arbitrary bases
math.stackexchange.com

28
Why do *nix-y folks single-quote like `this' instead of like 'this'?
softwareengineering.stackexchange.com

26
When do we get extraneous roots?
math.stackexchange.com

25
Piecewise functions: Got an example of a real world piecewise function?
math.stackexchange.com

23
Summation Theorem how to get formula for exponent greater than 3
math.stackexchange.com

20
Inequality with (1-x) as denominator
math.stackexchange.com

19
Pseudo-Cauchy sequence
math.stackexchange.com

18
How was TeX output visualised on screen, back in the day?
tex.stackexchange.com

18
Is $a^{\ln b} = b^{\ln a}$?
math.stackexchange.com

17
Is a line parallel with itself?
math.stackexchange.com

17
Why is the complex number $z=a+bi$ equivalent to the matrix form $\left(\begin{smallmatrix}a &-b\\b&a\end{smallmatrix}\right)$
math.stackexchange.com

16
Negative 1 to the power of Infinity
math.stackexchange.com

16
Does Bounded Covergence Theorem hold for Riemann integral?
math.stackexchange.com

15
Continuous bijection from $(0,1)$ to $[0,1]$
math.stackexchange.com

14
Is it unlikely to get the same number of heads/tails?
math.stackexchange.com

14
Show that $\mathbb{R}/\mathbb{Z}$ is isomorphic to $\{e^{i\theta} : 0 \le \theta \le 2\pi \}$
math.stackexchange.com

14
The square of an integer is congruent to 0 or 1 mod 4
math.stackexchange.com

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