Date: Nov 30, 2012 5:42 PM
Author: Robert Hansen
Subject: Re: Some important demonstrations on negative numbers

Doubled.

Bob Hansen

On Nov 30, 2012, at 5:01 PM, Jonathan Crabtree <sendtojonathan@yahoo.com.au> wrote:

>>
>> On Nov 29, 2012, at 4:20 PM, Jonathan Crabtree

> 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

>
> OK thanks Bob. That was a great answer! Please keep playing along with the next question. You might even get your son to answer with just a single word...
>
> A number added to itself once, is said to have been WHAT?
>
> A number added to itself once, is said to have been...
>
> ==========
> Thank you!