Operations Research

Yearling

 Yearling
Active member for a year, earning at least 200 reputation. This badge can be awarded multiple times.

earned this badge 4 times.
Awarded May 30 at 21:19
Awarded May 30, 2022 at 21:20
Awarded May 30, 2021 at 21:17
Awarded May 30, 2020 at 21:16

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