Badge

 linear-algebra Earned 400 upvotes for at least 80 answers in the tag.

This badge has been awarded 10 times. Recently awarded to:
Gone 1866243
Brian M. Scott 154k17138274
user17762 76.2k8106230
André Nicolas 161k14129282
user1551 16.7k11535
Gerry Myerson 85.8k462141
joriki 92.6k577167
Robert Israel 86.3k52135
Qiaochu Yuan 117k7245462
Arturo Magidin 158k14250501