Solve all the problems in Introduction to MATLAB problem group

Awarded to Nikolai on 28 Jan 2019

Obtain 50 solvers for a problem you have created

Awarded to Nikolai on 19 Sep 2018

Solve all the problems in CUP Challenge

Awarded to Nikolai on 22 Apr 2015

Receive 10 likes on a solution you have submitted

Awarded to Nikolai on 27 Aug 2014

Solve a problem with a best solution

Awarded to Nikolai on 05 Feb 2012

Comment on a problem or solution

Awarded to Nikolai on 01 Feb 2012

Create a problem

Awarded to Nikolai on 01 Feb 2012

Be the first to solve a problem

Awarded to Nikolai on 01 Feb 2012

Like a problem or solution

Awarded to Nikolai on 01 Feb 2012

Solve a problem for the first time

Awarded to Nikolai on 28 Jan 2012