Casio ClassPad 300 Manual de usuario Pagina 116

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20021201
k Permutation (nPr) and Combination (nCr)
u Total Number of Permutations
u Total Number of Combinations
Problem
Use this keyboard:
Operation
mth abc cat 2D
How many different CALC Func } 10 , 4 w
permutations are possible
when you have 10 different
objects and arrange them
four at a time?
10P4 = 5040
How many different CALC Func { 10 , 4 w
combinations are possible
when you have 10 different
objects and remove four at
a time?
10C4 = 210
k Condition Judgment (judge, piecewise)
The “judge” function returns TRUE when an expression is true, and FALSE when it is false.
Problem
Use this keyboard:
Operation
mth abc cat 2D
Is the following expression Func [judge] 1 = 1 w
true or false?
1 = 1 TRUE
Is the following expression Func [judge] 1 0 w
true or false?
1 < 0 FALSE
2-4-9
Function Calculations
n!
nCr = –––––––
r! (nr)!
n!
nPr = –––––
(nr)!
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