Michael

Like a problem or solution

Awarded to Michael on 24 Jul 2014

Comment on a problem or solution

Awarded to Michael on 09 Feb 2015

Solve a problem for the first time

Awarded to Michael on 27 May 2014

Create a problem

Awarded to Michael on 29 Jun 2016

Obtain 50 solvers for a problem you have created

Awarded to Michael on 28 Jan 2021