History of Science and Mathematics
DJohnson's user avatar
DJohnson's user avatar
DJohnson's user avatar
DJohnson
  • Member for 8 years, 10 months
  • Last seen this week
  • New York, United States
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Post Time Graph
+10
Nov 30, 2023
+10
Nov 28, 2023
+10
Jul 18, 2023
+2
Jul 10, 2023
+10
Jul 9, 2023
+10
Apr 10, 2023
+10
Sep 22, 2022
+10
Sep 19, 2022
+10
Sep 12, 2022
+10
Jan 22, 2022
+20
Jun 11, 2021
+10
Mar 29, 2020
+10
Mar 28, 2020
+10
May 11, 2019
+10
May 7, 2019
+10
Feb 20, 2019
-2
Jan 17, 2016
-2
Jul 16, 2015
+10
Jun 17, 2015
+10
Jun 16, 2015
+8
Jun 14, 2015
+10
Jun 12, 2015
+20
Jun 11, 2015
+100
Jun 8, 2015
+30
May 28, 2015