Apparently, this user prefers to keep an air of mystery about them.
5 Derivative of $f(x) = (x+x)$ May 28 '11
1 Find a nonzero matrix, so that when it is multiplied by another nonzero matrix, the zero matrix is the result. Oct 21 '12
0 Proof: There are no positive perfect cubes less than 1000 that are the sum of the cubes of two positive integers Feb 11 '13
0 Ceiling to Floor Function Conversion Proof Jul 1 '13