Apparently, this user prefers to keep an air of mystery about them.
37 Do We Need the Digits of $\pi$? oct 17 '11
22 Notations that are mnemonic outside of English aug 13 '13
21 Is there a commutative operation for which the inverse of the operation is also commutative? feb 12 '15
17 What's the difference between tuples and sequences? mar 20 '12
7 Finding Transformation matrix between two 2D coordinate frames [Pixel Plane to World Coordinate Plane] oct 31 '11
4 bird traveling to a nest wants to save energy nov 30 '11
4 Big O Notation reliability? may 12 '12