Ncr - Casio FX-730P Owner's Manual

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