Ben Alpert
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 Jul 22 awarded Critic Jul 22 comment Can there be two distinct, continuous functions that are equal at all rationals? Indeed I did. Thanks for catching that! Jul 22 revised Can there be two distinct, continuous functions that are equal at all rationals? added 11 characters in body Jul 22 answered Can there be two distinct, continuous functions that are equal at all rationals? Jul 22 answered Looking for a book similar to “Think of a Number” Jul 22 answered What can we conclude from correlation? Jul 22 comment Intuitive understanding of the derivatives of $\sin x$ and $\cos x$ @Justin L.: Whoops, I definitely misread your question and thought that it was answering itself somehow. Sorry! Jul 22 comment What property of certain regular polygons allows them to be faces of the Platonic Solids? The definition of "Platonic solid" requires that the faces are identical regular polygons, but apparently you're looking for some other more general definition that allows irregular polygonal faces. Why is it that you're not counting the triangular bipyramid which doesn't have regular faces? Here's a picture: upload.wikimedia.org/wikipedia/en/thumb/f/f7/… Jul 21 comment Intuitive understanding of the derivatives of $\sin x$ and $\cos x$ I feel like maybe this should be a question asking if anyone knows of an intuitive explanation and you should write the second part of your answer as an answer. (See meta.stackexchange.com/questions/17463). Jul 21 awarded Student Jul 21 awarded Editor Jul 21 revised Tiling a 3 by 2n rectangle with dominoes added 1 characters in body Jul 21 asked Tiling a 3 by 2n rectangle with dominoes Jul 21 comment Best Intermediate/Advanced Computer Science book I think this would be more appropriate at Stack Overflow, no? Jul 20 awarded Supporter Jul 20 awarded Nice Answer Jul 20 answered Can you recommend a decent online or software calculator? Jul 20 awarded Teacher Jul 20 awarded Autobiographer Jul 20 answered How can you prove that the square root of two is irrational?