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Casio FX-730P

Casio FX-730P
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6-4
Numeric
Functions
(Value
of
n, value
of
r)
NCR
Numeric expression Numeric expression
®
function:
Obtains the combinations (nCr) for given values
of
n and r.
Parameter:
Value
ofn:
Value
of
r:
Numeric expression }
n and r are integer values with
Numeric expression the range
ofO
~
r
~
n < 10
10
.
Explanation:
n !
1)
Obtains the combinations
nC
r ( = r ! ( n _
r)
2)
An error occurs
if
n
or
r contains decimals.
Example:
NCR(5,3)~
(sC3)
NCR
( 5 , 0 )
~
(sCo)
1
157

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