HP 300s Scientific Calculator - Manual (Page 47)

41
Permutation (
n
P
r
) and Combination (
n
C
r
)
These functions make it possible to perform permutation and
combination calculations. n and r must be integers in the
range of 0 ≤ r ≤ n < 1
✕ 10 10 .
How many four-person permutations and combinations are
possible for a group of 10 people?

    (
n
P
r
)  
    (
n
C
r
)  
Rounding Function (Rnd)
This function rounds the value or the result of the expression
in the function’s argument to the number of significant digits
specified by the number of display digits setting.
Display Digits Setting: Norm1 or Norm2
The mantissa is rounded to 10 digits.
Display Digits Setting: Fix or Sci
The value is rounded to the specified number of digits.
Example: 200
÷ 7 ✕ 14 = 400

        
(Specifies three decimal places.)
   (Fix) 
(Calculations are performed internally using 15 digits)
     
   