Date: Apr 7, 2013 7:07 AM Author: KBH Subject: Re: Is there any webpage or math program that can write fracitons,<br> numbers into bijective enumeration?

But then:

0, 2/3, 1/3, 2/9, 1/9, 2/27, 1/27, 2/81, 1/81, ...

and

0, -2/3, -1/3, -2/9, -1/9, -2/27, -1/27, -2/81, -1/81, ...

I'll attempt a graphical number line representation:

1 2 10 20 100 200 1000 2000 0 -2000 -1000 -200 -100 -20 -10 -2 -1