Casio FX-9860GII-L-IH User Guide - Page 92
Permutation and Combination, Fractions, Improper Fraction, Mixed Fraction, Math input mode
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2-4-10 Function Calculations k Permutation and Combination u Permutation nPr = (-n-n--!-r)-! u Combination nCr = r-!-(-nn--!--r)-! • Be sure to specify Comp for Mode in the Setup screen. Example To calculate the possible number of different arrangements using 4 items selected from among 10 items Formula 10P4 = 5040 Operation 10K6(g)3(PROB)2(nPr)4w Example To calculate the possible number of different combinations of 4 items that can be selected from among 10 items Formula 10C4 = 210 Operation 10K6(g)3(PROB)3(nCr)4w k Fractions How you should input fractions depends on the input mode that is currently selected. Improper Fraction Mixed Fraction Math input mode 7 3 ($7c3) 7 { 3 2 1 3 (1$(()2e1c3) 2 { 1 { 3 Linear input mode Numerator Denominator (7$3) Integer Part Denominator Numerator (2$1$3) • For information about the Math input mode, see "Input Operations in the Math Input Mode" on page 1-3-8. • Fraction calculation results are always reduced before being displayed. 20050401