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WHERE IS THE PERMUTATION AND COMBINATION BUTTONS ON THE TI30SLR CALCULATOR

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Here is a screen capture from the manual for the TI 30 xa SOLAR

WHERE IS THE PERMUTATION AND COMBINATION BUTTONS O - 24374016-q2pwurzke5pnc5434ywey2dm-4-0.jpg

Posted on Nov 20, 2015

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Posted on Jan 02, 2017

SOURCE: Permutation

you have to enter the 10, as the n factor, then press the x<>y key, then enter 3 as your r factor, then press 2nd and then nPr, and there is your answer

Posted on Apr 03, 2008

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SOURCE: How to do nPr or nCr on TI-30x Solar (scientific calc.)

If you have an older version on the TI30x Solar (not TI30Xa or newer) then you must use a different key sequence for nPr/nCr.

52 [2nd][x/y] 5 [2nd][nCr] gives 2598960 (the x/y button is above the Pi symbol on my version).
8 [2nd][x/y] 3 [2nd][nPr] gives 336

This took me forever to find out, so hopefully it will help someone!

Posted on Jun 28, 2010

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What does the ! button do/mean on the Casio fx-85GT Plus Scientific calculator?


It is the factorial function, used to calculate permutations and combinations in statistics.

n! = n x (n-1) x (n-2) x (n-3)... x 1

Good luck.

Let me know if you have any questions.

Paul

Sep 13, 2015 | Casio FX-85GT Plus Scientific Calculator...

1 Answer

Where is thecombination and permutation button


Combination are calculated using the nCr key. For Permutations use the nPr key.

Jun 11, 2014 | Casio Fx-83gtplus Scientific Calculator

1 Answer

How do i calculate combinations


Your calculator has three keys, next to which are the following markings:n! , nCr, and nPr. The one with the exclamation point is for factorials. The second is for combinations, and the third with permutations.
Syntax of the command.
If the markings are on the keys, the functions are accessed directly. If the markings are on the body of the calculator, you access the functions by pressing SHIFT and the key.

12 [!] gives 12 factorial
12 [nCr] 4 gives the combinations of 12 objects taken 4 at a time (order not important)
12 [nPr] 4 gives the permutations of 12 objects taken 4 at a time (order is important.)

Jun 09, 2011 | Texas Instruments TI-30XA Calculator

1 Answer

Okay so i am using a TI-30XA What is the button on this calculator for (Prb) ??


There is no probability key on the 30Xa as there is on the 30XIIS. The shifted functions of the 8 and 9 keys will calculate the number of combinations and permutations, respectively. The shifted function of the 3 key will calculate the factorial. There is no random number generator.

May 09, 2011 | Texas Instruments TI-30XA Calculator

1 Answer

I can't find the combinations (nCr) button on the fx 9750G11 calculator


In Run screen, enter the number whose factorial you want to calculate ( number can be at most equal to 69), press [OPTN][F6] to get to next page of menus.

For factorials
  • Press then [F3](PROB) then [F1] (x!) followed by [EXE].
For combinations
  • Press then [F3](PROB) then[F3][nCr][EXE]
For permutations
  • Press then [F3](PROB) then[F2][nPr][EXE]

Feb 06, 2011 | Casio FX9750GII Graphic Calculator

1 Answer

I'm trying to learn Permutations and Combinations in my Algebra class and it gives us generic formulas like nPr=n!over(n-r)! and nCr=n!overr!(n-r)! and I was wondering how I'm supposed to do those. I was...


Yes, your calculator can do them. Press the PRB key to bring up the Probability menu. Among them you'll find nPr and nCr for permutations and combinations, as well as ! for the factorial.

To compute 4C2, press 4 PRB right-arrow 2 ENTER. Permutations work the same way, only without the right-arrow.

Apr 23, 2010 | Texas Instruments TI-34II Explorer Plus...

1 Answer

Is there a combination button on this calculator?


Hello,
Sorry, answer was posted as a clarification request. Read below

Oct 05, 2009 | Sentry CA656 Calculator

1 Answer

I want to calculate permutation and combination.


Hello,
Use the sequence [2ndF][nPr] for permutations and [2ndF][nCr] for combinations.
Exemples: 10(nPr)3 is entered as 10[2ndF][nPr]3 [=] gives 720
5(nCr)2 is entered as 5 [2ndF][nCr] 2 [=] gives 10

Hope it helps.

Apr 09, 2009 | Sharp EL-531VB Calculator

2 Answers

Combinations and Permutations


You can enter combinations and permutations.

If the order of the selection matters (ie. 1st, 2nd, and 3rd place out of 40 contestants) use permutation. Enter:

40{shift}{nPr}3 and then [=] for your answer set (=59280 possible ways).

IF order doesn not matter (ie. a team of 3 from 40 possible members) then it is a combination. Do the same as above, but substitute {nCr} for {nPr}. (= 9880 possible ways).

For your question: a three-digit set, selecting from 0-9. There is no specified order, it is a combination. The total n=10 (there are 10 digits in the range 0-9) and you are selecting 3.

so.... 10[nCr]3 with give the number of possible combinations.

Feb 16, 2009 | Casio FX-115ES Scientific Calculator

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