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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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88
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

54
Is there a mathematical symbol for “For every element”?
math.stackexchange.com

53
Why is $L^{\infty}$ not separable?
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
Interesting “real life” applications of serious theorems
math.stackexchange.com

40
Your favourite application of the Baire Category Theorem
math.stackexchange.com

40
Prime factorization of 1
math.stackexchange.com

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

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

30
What does list[x::y] do?
stackoverflow.com

28
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

25
When do we get extraneous roots?
math.stackexchange.com

24
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
Is $a^{\ln b} = b^{\ln a}$?
math.stackexchange.com

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

17
Is a line parallel with itself?
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

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

14
Distinct permutations of the word “toffee”
math.stackexchange.com

14
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

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