Sharp EL-9900 User Manual
Page 57
47
Chapter 3: Basic Calculations — Basic Keyboard
3 rndCoin
rndCoin
[(number of trial)]
Returns a specified number of random integers to simulate a coin
flip: 0 (head) or 1 (tail). The size of the list (i.e., how many times
the virtual coin is thrown) can be specified. (The same as rndInt
(0, 1, number of times))
Example
• Make the calculator flip a
virtual coin 4 times.
M C 3 ( 4
) E
4 rndDice
rndDice
[(number of trial)]
Returns specified number of random integers (1 to 6) to simulate
rolling dice. The size of the list (i.e., how many times the die is
thrown) can be specified. (The same as rndInt (1, 6, number of
times))
Example
• Make the calculator roll a virtual die 11 times.
M C 4 ( 11 ) E
5 nPr
Returns the total number of different arrangements (permuta-
tions) for selecting “r” items out of “n” items.
n
P
r
=
n!
(n
–
r)!
Example
• How many different ways can
4 people out of 6 be seated in
a car with four seats?
6
M C 5 4 E
031_049_chapter3_en
02.8.23, 1:51 PM
47