# Finding old threads on a topic
**URL:** https://boards.straightdope.com/t/finding-old-threads-on-a-topic/536269
**Category:** About This Message Board
**Created:** [April 15, 2010, 10:45pm UTC](https://boards.straightdope.com/t/finding-old-threads-on-a-topic/536269 "2010-04-15T22:45:01Z")
**Posts on this page:** 5
**Page:** 1
### Author:  [@Irishman](https://boards.straightdope.com/u/Irishman)
#### Post date: [April 15, 2010, 10:45pm UTC](https://boards.straightdope.com/t/finding-old-threads-on-a-topic/536269/1 "2010-04-15T22:45:01Z")
I am trying to find old discussions on “does .999… = 1?”, but my search skills are inadequate. Anyone out there able to help?
This question better posed in GQ?
Help?
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### Author:  [@Colibri](https://boards.straightdope.com/u/Colibri)
#### Post date: [April 15, 2010, 10:57pm UTC](https://boards.straightdope.com/t/finding-old-threads-on-a-topic/536269/2 "2010-04-15T22:57:05Z")
To start off with, there is [Cecil’s column on the subject.](http://www.straightdope.com/columns/read/2459/an-infinite-question-why-doesnt-999-1) Some discussions will be in CCC.
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### Author:  [@Colibri](https://boards.straightdope.com/u/Colibri)
#### Post date: [April 15, 2010, 11:01pm UTC](https://boards.straightdope.com/t/finding-old-threads-on-a-topic/536269/3 "2010-04-15T23:01:13Z")
Here are some threads from CCC:
> **[An infinite question: Why doesn't .999~ = 1?](https://boards.straightdope.com/sdmb/showthread.php?t=409348)**
>
> Based on Zeno’s paradox, could the light barrier be broken? In other words, just as the tortoise can be outran in real life even if the math looks odd, can light be outran even if the math says no?
> **[.9~=1?](https://boards.straightdope.com/sdmb/showthread.php?t=259529)**
>
> Ok, so Cecil did a pretty good job explaining why 0.999~=1, now I’m here to explain why it doesn’t First, I’m gonna give you a little proof 🙂 x=0.999~ If you multiply by 10 10x=9.999~ Subtract x from each… 9x=9 (because x=0.999~) divide both...
> **[1 = 999...](https://boards.straightdope.com/sdmb/showthread.php?t=196745)**
>
> This post is regarding the article concerning the following paradox: If 1/3 = 0.333… and 2/3 = 0.666… then 3/3 = 0.999… but 3/3 is equal to 1 so 1 = 0.999… How can that be? OK, that’s the problem, here’s my explanation. This is a problem...
> **[Why do some dogs walk by moving both legs on one side of the body at the same...](https://boards.straightdope.com/sdmb/showthread.php?t=242396)**
>
> I was reading that Why do some dogs walk by moving both legs on one side of the body at the same time, while others use diagonal pairs? I know something about that, sort of… but anyways, Horses trot and pace too, some breeds (Like standardbreds) are...
> **[Zeno's Paradox in the 1 = .999... article](https://boards.straightdope.com/sdmb/showthread.php?t=196967)**
>
> In today’s Straight Dope article at http://www.straightdope.com/columns/030711.html, Cecil writes: I contend that it is impossible that Zeno created this paradox! After all, the meter wasn’t invented until then 18th century. 😛
You can probably locate more through links in those threads.
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### Author:  [@Irishman](https://boards.straightdope.com/u/Irishman)
#### Post date: [April 16, 2010, 2:00pm UTC](https://boards.straightdope.com/t/finding-old-threads-on-a-topic/536269/4 "2010-04-16T14:00:17Z")
Thanks a bundle! I knew I’d read it here somewhere, but couldn’t remember it was from a column.
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### Author:  [@Munch](https://boards.straightdope.com/u/Munch)
#### Post date: [April 16, 2010, 5:17pm UTC](https://boards.straightdope.com/t/finding-old-threads-on-a-topic/536269/5 "2010-04-16T17:17:44Z")
Googling "site:boards.straightdope.com “.9999"” picks up quite a lot of threads on the subject.