2-21
k    Permutation and  Combination
   u Permutation   u Combination
  
  
  
  • 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
  
  Formula   Operation  
  10 P 4  = 5040 
  10  K6( g) 3(PROB)  2( 
n P r )  4  w
  Example 2  To calculate the possible number of different combinations of 4 items 
that can be selected from among 10 items
  
  Formula   Operation  
  10 C 4  = 210 
  10  K6( g) 3(PROB)  3( 
n C r )  4  w
k Greatest Common Divisor (GCD), Least Common Multiple (LCM)
  Example   Operation  
 To determine the greatest common 
divisor of 28 and 35
  (GCD (28, 35) = 7) 
K6( g) 4(NUMERIC)  6( g) 2(GCD)  28  
,   35  )w
 To determine the least common multiple 
of 9 and 15
  (LCM (9, 15) = 45) 
K6( g) 4(NUMERIC)  6( g) 3(LCM)  9  
,15  )w
k Division Remainder (MOD), Remainder of Exponential Division 
(MOD_Exp)
  Example   Operation  
 To determine the remainder when 137 is 
divided by 7
  (MOD (137, 7) = 4) 
K6( g) 4(NUMERIC)  6( g) 4(MOD)  137  
,7  )w
 To determine the remainder when 5 
3 
 is 
divided by 3
  (MOD_Exp (5, 3, 3) = 2) 
K6( g) 4(NUMERIC)  6( g)
 5(MOD_Exp)   5  ,3  ,3  )w
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