Earned on 27 Dec 2012 for solving Problem 1. Times 2 - START HERE.
Earned on 4 Jan 2013 for commenting on Solution 186217.
Earned on 4 Jan 2013 for liking Solution 21249.
Earned on 28 Dec 2012 for creating Problem 1146. Calculate Alcohol By Volume with Original and ....
Earned on 23 Feb 2016 for first solving .
Solve all the problems in CUP Challenge problem group.
Solve a problem with a best solution.
Earned on 25 Aug 2016 for having 50 or more solvers for Problem 1191. Will there be a new leader?.
Solve all the problems in Tiles Challenge problem group.
Solve all the problems in ASEE Challenge problem group.
Solve all the problems in Cody Challenge problem group.
Create 10 problems.
Solve 500 problems.
Solve all the problems in Modeling and Simulation Challenge problem group.
Solve all the problems in Magic Numbers problem group.
Must receive 25 total likes for the problems you created.
Must receive 50 total likes for the solutions you submitted.
Must receive 10 likes for a solution you submitted.
Must receive 10 likes for a problem you created.
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