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n! , nPr , nCr ???
by "H43" <h.overvliet@[EMAIL PROTECTED]
>
Jun 2, 2008 at 03:03 PM
| dear readers
can you help me out
I have a scientific calculator most of it I do understand, but ...
on it is n! , nPr , nCr
n! I do understand
5n! = 1x2x3x4x5 = 120
but wat is nPr and nCr
the manual shows that 10P3 = 720 , and 5C2 = 10
but wat is it and where is it used for
tried to google, but no results
thanks Hank
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6 Posts in Topic:
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"H43" <h.ove |
2008-06-02 15:03:16 |
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Jussi Piitulainen <jpi |
2008-06-02 16:33:41 |
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"H43" <h.ove |
2008-06-02 15:47:35 |
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Barry Schwarz <schwarz |
2008-06-02 21:57:54 |
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Jussi Piitulainen <jpi |
2008-06-03 09:25:58 |
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Barry Schwarz <schwarz |
2008-06-02 21:57:54 |
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