Casio FX-CG10 Software User Guide - Page 67
Permutation and, Combination, Greatest Common Divisor GCD, Least Common Multiple LCM
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k Permutation and Combination u Permutation nPr = (n n! - r)! u Combination nCr = r! n! (n - r)! • Be sure to specify Comp for Mode in the Setup screen. Example 1 To calculate the possible number of different arrangements using 4 items selected from among 10 items 10P4 = 5040 Formula Operation 10K6(g)3(PROB)2(nPr) 4w Example 2 10C4 = 210 To calculate the possible number of different combinations of 4 items that can be selected from among 10 items Formula Operation 10K6(g)3(PROB)3(nCr) 4w k Greatest Common Divisor (GCD), Least Common Multiple (LCM) Example To determine the greatest common divisor of 28 and 35 (GCD (28, 35) = 7) To determine the least common multiple of 9 and 15 (LCM (9, 15) = 45) Operation K6(g)4(NUMERIC)6(g)2(GCD) 28 ,35)w K6(g)4(NUMERIC)6(g)3(LCM) 9 ,15)w k Division Remainder (MOD), Remainder of Exponential Division (MOD_Exp) Example To determine the remainder when 137 is divided by 7 (MOD (137, 7) = 4) To determine the remainder when 53 is divided by 3 (MOD_Exp (5, 3, 3) = 2) Operation K6(g)4(NUMERIC)6(g)4(MOD) 137 ,7)w K6(g)4(NUMERIC)6(g) 5(MOD_Exp)5,3,3)w 2-21