Answer 3 questions that were unanswered for more than 30 days
Awarded to David Hruska on 27 Dec 2019
3 of your answers have been accepted
Awarded to David Hruska on 20 Jul 2017
Provide your first answer ever to someone else's question
Awarded to David Hruska on 20 Jul 2017
Obtain 50 solvers for a problem you have created
Awarded to David Hruska on 31 May 2013
Create a problem
Awarded to David Hruska on 13 Apr 2012
Comment on a problem or solution
Awarded to David Hruska on 29 Feb 2012
Be the first to solve a problem
Awarded to David Hruska on 25 Jan 2012
Solve a problem for the first time
Awarded to David Hruska on 25 Jan 2012
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