Casio FX-795P - NPR (Value of n, value of r); NCR (Value of n, value of r)

CHAPTER
7
Command
Reference
NPR
(Value
of
n,
value
of
1)
®
Numeric
expression
Numeric
expression
a
Function:
Obtains
the
permutations
(nPr)
for
given
values
ofmandr.
Parameter:
Value
of
n:
Numeric
expression
]
and
r
are
integer
values
with
Value
of
r:
Numeric
expression
{
the
range
of
OS
rgn<
10'°.
Explanation:
!
1)
This
function
obtains
permutations
2Pr
(=
Gar
2)
An
error
occurs
ifm
orr
contains
fractions.
Example:
NPR(5, 3) (sPs) 64
NPR(5,@)@8 (sPo) i
190
7-4 Numeric Functions
N CR (Value of n, value of r) ®
Numeric expression Numeric expression
Function:
Obtains the combinations (nCr) for given values of n and r.
Parameter:
Value of n: Numeric expression | ” and r are integer values with
Value of r: Numeric expression | the range of OS r<n<10!°,
Explanation:
;
!
1)
Obtains
the
combinations
»Cr(=
—7¢,
i
Car)
T).
2) An error occurs if or r contains decimals.
Example:
NCR(5,3) 9 (sCs3)
NCR( 5,0) (sCo)
191