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Old March 1 2013, 02:51 PM   #16
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Re: Math question

SmoothieX wrote: View Post
Also, buy a calculator.
As thestrangequark said, the point isn't about results, the point is about understanding the process. Sure, having a car means you don't have to walk everywhere, but the existence of cars doesn't mean we don't need to learn how to walk.
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Old March 1 2013, 02:55 PM   #17
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Re: Math question

^excellent comparism!

Christopher wrote: View Post
We use base-10 mathematics because we have ten fingers.
Sorry but I just can't resist: according to this theory all Britons used to have 12 fingers and got two amputated since the 1960s.
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Old March 1 2013, 03:49 PM   #18
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Re: Math question

We use 12 a lot because of lunar cycles (roughly 12 months in a year), and because it has a lot of divisors that make it mathematically useful (2, 3, 4, 6). Ten only factors into 2 and 5; it's actually a pretty bad number to choose as a numerical base. But we use it anyway, and it's because we have ten fingers and thus have a natural inclination to count in tens (which is not to say that we're incapable of doing otherwise; some cultures have had base-60 or base-20 mathematics, but those are still multiples of ten).
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Old March 1 2013, 04:47 PM   #19
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Re: Math question

Christopher wrote: View Post
We use base-10 mathematics because we have ten fingers,
My ancestors were astucious enough to know that they have also 10 toes and they used a base 20 system that survived a little in my language and in the collective culture.
For exemple, there is a hospital in Paris called les quinze-vingts (the 15-20) because it hosted 300 patients when it was created during the Middle Ages.
Another exemple : 80 = quatre-vingt = 4-20 litterally.
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Old March 1 2013, 05:09 PM   #20
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Re: Math question

Shaytan wrote: View Post
Christopher wrote: View Post
We use base-10 mathematics because we have ten fingers,
My ancestors were astucious enough to know that they have also 10 toes and they used a base 20 system that survived a little in my language and in the collective culture.
For exemple, there is a hospital in Paris called les quinze-vingts (the 15-20) because it hosted 300 patients when it was created during the Middle Ages.
Another exemple : 80 = quatre-vingt = 4-20 litterally.
But then you all started designing fabulous footwear and, alas, the base 20 system met its end. It's glorious, kitten-heeled end.
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Old March 1 2013, 05:14 PM   #21
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Re: Math question

Again, I never said humans were limited to using only base 10, so I don't understand the objections. I just said that's the reason we use base 10 at all.
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Old March 1 2013, 05:15 PM   #22
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Re: Math question

thestrangequark wrote: View Post
But then you all started designing fabulous footwear and, alas, the base 20 system met its end. It's glorious, kitten-heeled end.

Everything has to end so it'd better be in a silly and elegant way
But we're too sentimental to completely forget it.

Christopher wrote: View Post
Again, I never said humans were limited to using only base 10, so I don't understand the objections. I just said that's the reason we use base 10 at all.
Where do you see an objection ?
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Old March 1 2013, 05:17 PM   #23
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Re: Math question

Christopher wrote: View Post
Again, I never said humans were limited to using only base 10, so I don't understand the objections. I just said that's the reason we use base 10 at all.
Dude...no one has objected...
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Old March 1 2013, 05:29 PM   #24
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Re: Math question

Well, that's what Rhubarbodendron's comment sounded like.
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Old March 1 2013, 05:33 PM   #25
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Re: Math question

The Minbari in Babylon Five use base 11; 10 fingers plus the head.

That's my useless contribution to the topic .
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Old March 1 2013, 05:34 PM   #26
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Re: Math question

Christopher wrote: View Post
Well, that's what Rhubarbodendron's comment sounded like.
I do believe she was making a joke.
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Old March 1 2013, 05:35 PM   #27
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Re: Math question

Christopher wrote: View Post
Well, that's what Rhubarbodendron's comment sounded like.
It was a joke, dude.
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Old March 1 2013, 05:50 PM   #28
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Re: Math question

Deranged Nasat wrote: View Post
The Minbari in Babylon Five use base 11; 10 fingers plus the head.

That's my useless contribution to the topic .
And Centauri use six bases for the ladies...
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Old March 1 2013, 05:55 PM   #29
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Re: Math question

Deranged Nasat wrote: View Post
The Minbari in Babylon Five use base 11; 10 fingers plus the head.

That's my useless contribution to the topic .
In Contact the creators of the universe used base 11 too.
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Old March 1 2013, 06:24 PM   #30
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Re: Math question

No contemporary discussion of numeral bases would be complete without mentioning that, because computer memory is ultimately composed of bits, computer scientists frequently use bases that are various powers of two: binary itself (base 2), octal (base 8), and hexadecimal (base 16). Base 64 also has a place, although it's rare, if ever, for data in that base to be directly manipulated by humans.
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