Math Forum http://mathforum.org/kb List of forum topics en Re: In "square root of -1", should we say "minus 1" or "negative 1"? http://mathforum.org/kb/thread.jspa?messageID=7931816&tstart=0#7931816 > "Minus times minus makes a]]> Dec 3, 2012 7:43:52 PM Dec 3, 2012 9:44:23 PM uprho@yahoo.com 0 Re: In "square root of -1", should we say "minus 1" or "negative<br> 1"? http://mathforum.org/kb/thread.jspa?messageID=7931809&tstart=0#7931809 In fact it emphasizes the fact the rule is based on the signs alone. The fact that negative]]> Dec 3, 2012 6:22:29 PM Dec 3, 2012 6:22:29 PM niederberger@comcast.net 1