Date: Nov 30, 2012 5:11 AM
Author: Robert Hansen
Subject: Re: Some important demonstrations on negative numbers


On Nov 29, 2012, at 4:20 PM, Jonathan Crabtree <sendtojonathan@yahoo.com.au> wrote:

>> So what is i? I mean "i" as in the sqrt(-1), not the
>> pronoun.
>>
>> Bob Hansen

>
> If you were to write the above using words only, without both abbreviations and symbols, what would you write?



What number multiplied by itself once then added to one is zero?

Bob Hansen