Turn calculator ON
If you do not see icons, press MENU key.
Use arrows to move focus on the RUN application and press
EXEPress the [OPTN] button.
A set of thumbnails (TABs) appear on the lower part of the display screen.
Each Tab/Menu is activated by the Function key just below it.
Press the F6 Key corresponding to the right pointing arrow
Press [F3:Prob] to reveal the probability functions.
That is what you see
If you press the F6 key you get the other options.
On the first screen above, the nPr menu corresponds to the permutations, while the
nCr menu corresponds to the combinations.
To use them you need to enter n (the larger value), press the key corresponding to the calculation (F2 for nPr and F3 for nCr) and then press the smaller number (r). See screen below.
While the menus are displayed at the bottom of the screen you can use the other calculator keys to enter number, etc. As long as you do not press the Function Fx keys you wont activate them.
On the screen
- I set my calculator to the screen that is shown on the first screen capture
- I enter 15
- I press the F3 key: the Bold C is inserted after the number 15
- I type in 6
- To get the number of combinations that select 6 objects out of 15 ones (15C6) I press the [EXE] key.
- Result is 5005
To respect the wishes of the
asker, I showed all the steps, with screen captures to support the text.
That is time consuming. If this post happens to teach you something, please take the time to rate it accordingly. To show you apprerciation.
Hi Anonymous, I want to help you with your question, but I need more information from you. Can you please add details in the comment box?
×