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 Dec 9 suggested approved edit on Given a set $A$ such that for any family of sets $F$: if $\cup F = A$ then $A \in F$. Dec 9 awarded Vox Populi Dec 9 awarded Suffrage Dec 9 revised challenging probability question Improved formatting Dec 9 revised Calculating the variance of the a regular expression assuming position dependent Improved formatting Dec 9 reviewed Reviewed Equivalence relation $(a,b) R (c,d) \Leftrightarrow a + d = b + c$ Dec 9 reviewed Reviewed challenging probability question Dec 9 suggested approved edit on challenging probability question Dec 9 reviewed Reviewed Calculating the variance of the a regular expression assuming position dependent Dec 9 suggested approved edit on Calculating the variance of the a regular expression assuming position dependent Dec 8 revised How to multiply polynominals added 40 characters in body Dec 8 comment How to multiply polynominals @AustinMohr While it is not a polynomial, I did mention that "this method will also work with negative and non-integer exponents," as the table method is not restricted to polynomials. Perhaps I should have stated that more clearly in the answer. Dec 8 revised How to multiply polynominals edited body Dec 8 comment How to multiply polynominals @Limitless That only works if the exponents line up nicely like this. Suppose you have something like $(3x^{-3}-x^{\pi/4})(\frac{\pi}{2}x^\sqrt{5}+x^{1/8}-7x^{-4})$. In that case, adding along the diagonals would not work. Dec 8 revised How to multiply polynominals added 4 characters in body Dec 8 revised How to multiply polynominals deleted 4 characters in body Dec 8 comment How many powers of 2 are easy to double? @coffeemath True, but they do not make it any more difficult. Dec 8 revised How to multiply polynominals added 291 characters in body Dec 8 answered How to multiply polynominals Dec 8 revised How many powers of 2 are easy to double? added 79 characters in body