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S Aug 16, 2019 at 23:39 history suggested Jason Hemann CC BY-SA 4.0
Just a few typos, and editing some phrasing while I'm here.
Aug 14, 2019 at 20:49 review Suggested edits
S Aug 16, 2019 at 23:39
Nov 16, 2015 at 16:24 vote accept Kushal Bhuyan
Nov 12, 2015 at 2:14 history closed HDE 226868 Duplicate of Historically, how did people define multiplication for negative numbers?
Nov 10, 2015 at 8:37 answer added Mauro ALLEGRANZA timeline score: 2
Nov 10, 2015 at 4:48 review Close votes
Nov 12, 2015 at 2:14
Nov 9, 2015 at 23:54 comment added Conifold This question is answered here hsm.stackexchange.com/questions/2631/… Earliest written references are Liu Hui and Diophantus in 3rd century AD, in practice the rule was known earlier at least in China.
Nov 9, 2015 at 18:43 comment added user2255 Diophantus in his Arithmetika
Nov 9, 2015 at 18:35 answer added Gerald Edgar timeline score: 2
Nov 9, 2015 at 9:11 history asked Kushal Bhuyan CC BY-SA 3.0