He/him
統計
Accept 2 answers given by other contributors
Awarded to Arthur Goldsipe on 15 Feb 2022
Publish your first review
Awarded to Arthur Goldsipe on 09 Oct 2019
Accept 1 answer given by other contributors
Awarded to Arthur Goldsipe on 31 Jan 2019
100 of your answers have been accepted
Awarded to Arthur Goldsipe on 05 Jun 2018
Contribute at least one answer each month for 24 consecutive months
Awarded to Arthur Goldsipe on 02 Jun 2018
Answer 3 questions that were unanswered for more than 30 days
Awarded to Arthur Goldsipe on 20 Jul 2017
Provide your first answer ever to someone else's question
Awarded to Arthur Goldsipe on 20 Jul 2017
Obtain 50 solvers for a problem you have created
Awarded to Arthur Goldsipe on 07 Oct 2016
Create a problem
Awarded to Arthur Goldsipe on 01 Feb 2012
Solve a problem for the first time
Awarded to Arthur Goldsipe on 01 Feb 2012
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