Igny

Language skill box with Babel templates:

ruРусский — родной язык этого участника. en-4This user can contribute with a near-native level of English.

PhDThis user has a Doctor of Philosophy degree in Mathematics. ${\begin{array}{r}\zeta (s)=0\\\Re (s)={\frac {1}{2}}\end{array}}$This user is an expert mathematician. ?met?This user prefers metric units and cannot figure out why Americans and Brits have such a hard time with them. $0.{\bar {9}}=1$This user knows that 0.999... is exactly 1.

INTPThis user's MBTI type is INTP.

This user runs macOS.

Quotes

In theory there is no difference between theory and practice. In practice there is. - Yogi Berra

Пусть будет как будет. Ведь как-нибудь да будет. Ибо никогда так не было, чтоб никак не было. - Jaroslav Hašek (paraphrased)

Two things are infinite: the universe and human stupidity; and I'm not sure about the the universe. - Albert Einstein