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List of forum topicsenRe: In "square root of -1", should we say "minus 1" or "negative<br> 1"?
http://mathforum.org/kb/thread.jspa?messageID=7931895&tstart=0#7931895
> "Minus times minus makes a plus" makes perfect sense. > > In fact it emphasizes the fact the rule is based]]>Dec 3, 2012 10:09:25 PMDec 3, 2012 10:09:25 PMASAPANS0