Calculator name  Summary 
Combination 
Calculates the number of combinations of n things taken r at a time.

Combination (table) 
Calculates a table of the number of combinations of n things taken r at a time. 
Combination with repetition 
Calculates the number of combinations with repetition of n things taken r at a time. 
Combination with repetition (table) 
Calculates a table of the number of combinations with repetition of n things taken r at a time. 
Permutation 
Calculates the number of permutations of n things taken r at a time.

Permutation (table) 
Calculates a table of the number of permutations of n things taken r at a time. 
Permutation with repetition 
Calculates the number of permutations with repetition of n things taken r at a time.

Permutation with repetition (table) 
Calculates a table of the number of permutations with repetition of n things taken r at a time. 