User:Igny

Language skill box with Babel templates:

Русский — родной язык этого участника.

This user can contribute with a near-native level of English.

PhD

This 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.

This user's MBTI type is INTP.

This user runs macOS.