Casio fx-3650P II

E-24
A
Permutation (
n
P
r
)/Combination (
n
C
r
)
Syntax: {
n
}P{
m
}, {
n
}C{
m
}
Example: How many four-person permutations and combinations are possible for a group
of 10 people?
10
1
*
(
n
P
r
)
4
E
10
1
/
(
n
C
r
)
4
E
A
Rounding Function (Rnd)
You can use the rounding function (Rnd) to round the value, expression, or calculation
result specified by the argument. Rounding is performed to the number of significant digits
in accordance with the number of display digits setting.
Rounding for Norm1 or Norm2
The mantissa is rounded off to 10 digits.
Rounding for Fix or Sci
The value is rounded to the specified number of digits.
Example: 200 ÷ 7 × 14 = 400
(3 decimal places)
1N
e
1
(Fix)
3
(Internal calculation uses 15 digits.)
200/7
E
*14
E
Now perform the same calculation using the rounding (Rnd) function.
200/7
E
(Calculation uses rounded value.)
1
0
(Rnd)
E
(Rounded result)
*14
E
5040
210
28571
400000
28571
399994