Casio ClassPad 300 PLUS User Manual page 117

k Permutation (nPr) and Combination (nCr)
u Total Number of Permutations
n!
nPr = –––––
(n – r)!
u Total Number of Combinations
n!
nCr = –––––––
r! (n – r)!
Problem
How many different
permutations are possible
when you have 10 different
objects and arrange them
four at a time?
P = 5040
10 4
How many different
combinations are possible
when you have 10 different
objects and remove four at
a time?
C = 210
10 4
k Condition Judgment (judge, piecewise)
The "judge" function returns TRUE when an expression is true, and FALSE when it is false.
Problem
Is the following expression
true or false?
1 = 1
Is the following expression
true or false?
1 < 0
2-4-9
Function Calculations
Use this keyboard:
mth abc
CALC
CALC
Use this keyboard:
mth abc
TRUE
FALSE
20050501
cat 2D
} 10 , 4 w
Func
{ 10 , 4 w
Func
cat 2D
[judge] 1 = 1 w
Func
Func [judge] 1
Operation
Operation
0 w