Npr - Casio FX-730P Owner's Manual

156
CHAPTER 6 Command Reference
NPR
(Value of n, value ofr)
Numeric expression Numeric expression
®
Function:
Obtains the permutations
(nPr)
for given values of
n
and
r.
Parameter:
Value of n:
Value ofr:
Numeric expression }
n
and
r
are integer values with
Numeric expression the range of 0
~ r ~
n
<
10
10
.
Explanation:
I
1) This function obtains permutations
nPr ( = (nn___·r)
2) An error occurs if
n
or
r
contains fractions.
Example:
NP R ( 5 , 3 ) ~
(sP3)
NP R ( 5 , 0 ) ~
(sPo)
i