Yes. For example, if you want to calculate combination(9,3), press 9 and then press MATH. Use the arrow keys to scroll over to PRB at the top and select nPr. Then press 3. You should see:
9 nPr 3
Press ENTER.
Chat with our AI personalities
Press MODE and select NORMAL at the top. (You may notice that SCI was selected for scientific notation.)
A permutation is an ordered arrangement of a set of objects.
By definition, a permutation is a bijection from a set to itself. Since a permutation is bijective, it is one-to-one.
Some TI83's can be set up differently, so it is highly recommendable to read the user guide for the TI83 in question. The user would need to go into the VarStat option and enter all the appropriate fields to have the calculator bring in the appropriate variables and totals.
There can be only one permutation of a single number: so the answer is 7.