User manual - fx82SX

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Permutation
• Input range: n  r  0 (n, r : natural numbers)
• Formula: nPr 
Combination
• Input range: n  r  0 (n, r : natural numbers)
• Formula: nCr 
Population Standard Deviation
Sample Standard Deviation
Arithmetic Mean
n!
(nr)!
n!
n!(nr)!