this is much healthier
Apparently, this user prefers to keep an air of mystery about them.
4 How many ways can $10$ digits be written down so that no even digit is in its original position aug 28
3 Statistical Estimation Book Request aug 30
3 Generalisation of alternating functions jun 7 '14
2 Answer check on two series jun 26
2 Trying to solve a Taylor series problem jun 5 '14