Apparently, this user prefers to keep an air of mystery about them.
6 What are imaginary numbers? sep 21 '12
6 Is there any good reason not to define $0^0=1$ , such as contradictions in algebra or arithmetic? dec 14 '13
3 Finding a closed form expression for this sum apr 13 '13
3 Why do we assign values to divergent series? apr 18 '14