Isaac

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21,135 reputation

44588

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473 Answers

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43	Proof that the irrational numbers are uncountable
37	Examples of results failing in higher dimensions
33	What are some examples of a mathematical result being counterintuitive?
30	Is there a general formula for solving 4th degree equations?
29	A challenge by R. P. Feynman: give counter-intuitive theorems that can be translated into everyday language

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21,135 Reputation

+10	Show that a continuous function has a fixed point
+10	Finding the derivative of $x^x$
+20	How to solve this equation with two square root terms?
+10	How to prove Euler's formula: $e^{it}=\cos t +i\sin t$?

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20 Questions

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28	Bad Fraction Reduction That Actually Works
27	Proving that 1- and 2-d simple symmetric random walks return to the origin with probability 1
20	Useful examples of pathological functions
16	Birthday-coverage problem
14	Mandelbrot-like sets for functions other than $f(z)=z^2+c$?

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140 Tags

443 algebra-precalculus × 132	106 analytic-geometry × 44
438 geometry × 142	98 polynomials × 17
309 calculus × 72	93 homework × 39
238 trigonometry × 79	80 probability × 16
151 euclidean-geometry × 44	71 circle × 23

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	Area 51	1,811 rep	3215
	Mathematica	1,049 rep	421
	Meta Stack Overflow	505 rep	1313

54 Badges

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Good Answer × 7	Caucus × 3
Constituent × 4	Good Question × 2
Nice Question × 8	Famous Question
Popular Question × 9	Informed
Notable Question × 3	Revival × 4

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