Apparently, this user prefers to keep an air of mystery about them.
3 “clopen” terminology: acceptable? Dec 24 '13
3 Why is this number so close to $1$? Jan 18 '14
2 Why is Euler's totient function equal to $(p-1)(q-1)$ when $N=pq$ and $p$ and $q$ are prime in a clean intuitive way? Jan 7 '14