Earned on 15 Apr 2012 for solving Problem 1. Times 2 - START HERE.
Earned on 17 Jul 2012 for liking Solution 113574.
Earned on 26 Jul 2012 for commenting on Solution 119090.
Earned on 22 Aug 2012 for first solving Problem 918. Find the repeating decimal pattern!.
Earned on 1 Dec 2012 for creating Problem 1080. Guess Cipher.
Earned on 5 Jul 2012 for submitting the best solution Solution 106721.
Earned on 28 Nov 2012 for solving all the problems in Tiles Challenge.
Must have 50 solvers for a problem you created.
Earned on 15 Mar 2013 for solving all the problems in Cody Challenge.
Earned on 22 Nov 2012 for solving all the problems in ASEE Challenge.
Earned on 17 Jan 2013 for creating 10 problems.
Earned on 28 Nov 2012 for solving 500 problems.
Must receive 25 total likes for the problems you created.
Earned on 12 Feb 2013 for receiving 50 total likes for solutions.
Must receive 10 likes for a solution you submitted.
Must receive 10 likes for a problem you created.