24 Aug
2016
24 Aug
'16
4:23 p.m.
Better yet, can anyone write about the usefulness of such a mathematical object? -- Gene From: James Propp <jamespropp@gmail.com> To: math-fun <math-fun@mailman.xmission.com> Sent: Wednesday, August 24, 2016 3:18 PM Subject: [math-fun] Bizarro arithmetic Has anyone written in an accessible vein about all the bad things that happen when you decree that minus times minus equals minus instead of plus? I might do this in my September blog post but I'm hoping someone else has beaten me to it. Jim Propp