統計
Contribute at least one answer each month for 6 consecutive months
Awarded to Michael Katz on 20 Jul 2017
Answer 1 question that was unanswered for more than 30 days
Awarded to Michael Katz on 20 Jul 2017
Obtain 50 solvers for a problem you have created
Awarded to Michael Katz on 11 Jan 2014
Comment on a problem or solution
Awarded to Michael Katz on 12 Apr 2012
Your submissions were downloaded 30 or more times in a month
Awarded to Michael Katz on 01 Nov 2019
Your submission is selected as "Pick of The Week"
Awarded to Michael Katz on 09 Oct 2019
Publish your first review
Awarded to Michael Katz on 09 Oct 2019
Your submissions received 3 five star ratings
Awarded to Michael Katz on 09 Oct 2019
Publish your first submission
Awarded to Michael Katz on 09 Oct 2019
3 of your answers have been accepted
Awarded to Michael Katz on 20 Jul 2017
Provide your first answer ever to someone else's question
Awarded to Michael Katz on 20 Jul 2017
Create a problem
Awarded to Michael Katz on 12 Apr 2012
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