James_Probert
Joined: Nov 25, 2007
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  Posted:
Oct 04, 2011 - 23:06 |
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DukeTyrion wrote: | Sutherlands wrote: | DukeTyrion wrote: | Sutherlands wrote: | DukeTyrion wrote: | The problem is, the decimal system can never quite be exact. | Give me a fraction that can't be represented as a decimal, please.
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Pi | Seriously? You think Pi is a fraction? |
It might be an irrational number, but it's a hell of a lot easier to just represent it at 355/113 |
which is wrong by the 8th significant figure...
not useful. |
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DukeTyrion
Joined: Feb 18, 2004
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  Posted:
Oct 04, 2011 - 23:09 |
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James_Probert wrote: | DukeTyrion wrote: | Sutherlands wrote: | DukeTyrion wrote: | Sutherlands wrote: | DukeTyrion wrote: | The problem is, the decimal system can never quite be exact. | Give me a fraction that can't be represented as a decimal, please.
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Pi | Seriously? You think Pi is a fraction? |
It might be an irrational number, but it's a hell of a lot easier to just represent it at 355/113 |
which is wrong by the 8th significant figure...
not useful. |
And how many digits do you remember Pi to when you do your calculations? |
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Grod
Joined: Sep 30, 2003
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  Posted:
Oct 04, 2011 - 23:09 |
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Well if you talk about winning the lottery, then we are talking similar chances for each player (very close to 0). However, often SOMEONE wins, so the chance was not exactly 0 for that 1 winner...
(this is a response to the OP) |
_________________ I am so clever that sometimes I don't understand a single word of what I am saying.
Oscar Wilde
Last edited by Grod on %b %04, %2011 - %23:%Oct; edited 1 time in total |
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Sutherlands
Joined: Aug 01, 2009
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  Posted:
Oct 04, 2011 - 23:13 |
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DukeTyrion wrote: | James_Probert wrote: | DukeTyrion wrote: | Sutherlands wrote: | DukeTyrion wrote: | Sutherlands wrote: | DukeTyrion wrote: | The problem is, the decimal system can never quite be exact. | Give me a fraction that can't be represented as a decimal, please.
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Pi | Seriously? You think Pi is a fraction? |
It might be an irrational number, but it's a hell of a lot easier to just represent it at 355/113 |
which is wrong by the 8th significant figure...
not useful. |
And how many digits do you remember Pi to when you do your calculations? | 3.1415926535 is the part i remember. Of course most calculators and software have a value that you can use. |
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James_Probert
Joined: Nov 25, 2007
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  Posted:
Oct 04, 2011 - 23:13 |
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DukeTyrion wrote: | James_Probert wrote: | DukeTyrion wrote: | Sutherlands wrote: | DukeTyrion wrote: | Sutherlands wrote: | DukeTyrion wrote: | The problem is, the decimal system can never quite be exact. | Give me a fraction that can't be represented as a decimal, please.
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Pi | Seriously? You think Pi is a fraction? |
It might be an irrational number, but it's a hell of a lot easier to just represent it at 355/113 |
which is wrong by the 8th significant figure...
not useful. |
And how many digits do you remember Pi to when you do your calculations? |
Depends.
If I have other limitations with regards to accuracy, then 4/5 is good enough, which I can just do off the top of my head.
If other things are more exact, I might write/use a program to get it to 10+ figures. |
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DukeTyrion
Joined: Feb 18, 2004
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  Posted:
Oct 04, 2011 - 23:14 |
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James_Probert wrote: |
Depends.
If I have other limitations with regards to accuracy, then 4/5 is good enough. |
In which case 355/113 would work perfectly well too |
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Grim04
Joined: Oct 30, 2005
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  Posted:
Oct 04, 2011 - 23:18 |
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Sutherlands wrote: | DukeTyrion wrote: | The problem is, the decimal system can never quite be exact. | Give me a fraction that can't be represented as a decimal, please. |
1/0 |
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shadow46x2
Joined: Nov 22, 2003
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  Posted:
Oct 04, 2011 - 23:21 |
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Grim04 wrote: | Sutherlands wrote: | DukeTyrion wrote: | The problem is, the decimal system can never quite be exact. | Give me a fraction that can't be represented as a decimal, please. |
1/0 |
you, sir...win one internets
--j |
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origami wrote: | There is no god but Nuffle, and Shadow is his prophet. |
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sann0638
Joined: Aug 09, 2010
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  Posted:
Oct 04, 2011 - 23:29 |
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[quote="James_Probert"]which is wrong by the 8th significant figure...
not useful.[/quote
I think I read that 8 sig figs is accurate enough to give the circumference of the earth (assuming the earth is a spher) correct to a cm, or something like that. So pretty useful.
And back to the logs chap (struggling to quote more than once), how would you put 0.9 recurring into your calculator? |
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Sutherlands
Joined: Aug 01, 2009
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  Posted:
Oct 04, 2011 - 23:41 |
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Grim04 wrote: | Sutherlands wrote: | DukeTyrion wrote: | The problem is, the decimal system can never quite be exact. | Give me a fraction that can't be represented as a decimal, please. |
1/0 | Not a number, but well played.
sann0638 wrote: | And back to the logs chap (struggling to quote more than once), how would you put 0.9 recurring into your calculator? | 1 |
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James_Probert
Joined: Nov 25, 2007
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  Posted:
Oct 04, 2011 - 23:46 |
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As an addendum to the OP:
Can anyone think of a situation where it is more efficient/better to use 0.9 recurring, instead of 1? |
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Fela
Joined: Dec 27, 2004
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  Posted:
Oct 04, 2011 - 23:56 |
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James_Probert wrote: | As an addendum to the OP:
Can anyone think of a situation where it is more efficient/better to use 0.9 recurring, instead of 1? |
When explaining recurring numbers? |
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BooAhl
Joined: Sep 02, 2004
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  Posted:
Oct 05, 2011 - 00:00 |
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Sutherlands wrote: | DukeTyrion wrote: | The problem is, the decimal system can never quite be exact. | Give me a fraction that can't be represented as a decimal, please. | ]
How about Pie? Is that a fraction?
Now laugh funny guys! |
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Alf115
Joined: Aug 17, 2005
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  Posted:
Oct 05, 2011 - 00:11 |
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Brother-Fu
Joined: Dec 22, 2006
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  Posted:
Oct 05, 2011 - 00:14 |
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Damn Paul, you really know how to give the nerds a hard-on... |
_________________ all my love
Brother-Fu |
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