Question about Texas Instruments TI-34II Explorer Plus Calculator

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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.

Posted on Apr 23, 2010

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Posted on Jan 02, 2017

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go google and type in-- operating instructions for ( make and model of ) calculator

there is a page somewhere that will have a pdf version that you can down load

there is a page somewhere that will have a pdf version that you can down load

Oct 13, 2015 | Casio FX-9750GII Graphing Calculator

Look for a key marked nCr for combinations, or one marked with nPr for permutations. The marking may be on the calculator plate. In that case you will use the Shift, 2nd or 2ndF key before.

Enter n, press the key then r.

For the factorial fuction x! or n!, you enter n then press the key. .

Enter n, press the key then r.

For the factorial fuction x! or n!, you enter n then press the key. .

May 20, 2012 | Canon F-502 Calculator

Use the "nPr" and "nCr" commands in the MATH PRB menu.

To calculate the permuations of five items taken three at a time, press

5 MATH left-arrow 2 3 ENTER

To calculate the combinations of five items taken three at a time, press

5 MATH left arrow 3 3 ENTER

To calculate the permuations of five items taken three at a time, press

5 MATH left-arrow 2 3 ENTER

To calculate the combinations of five items taken three at a time, press

5 MATH left arrow 3 3 ENTER

Sep 10, 2011 | Office Equipment & Supplies

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.)

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

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

For factorials

- Press then [F3](PROB) then [F1] (x!) followed by [EXE].

- Press then [F3](PROB) then[F3][nCr][EXE]

- Press then [F3](PROB) then[F2][nPr][EXE]

Feb 06, 2011 | Casio FX9750GII Graphic Calculator

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!

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!

Jan 27, 2010 | Texas Instruments TI-84 Plus Silver...

Hello,

On calculators you calculate permutations and combinations as follows

Enter the number n then press key nPr, and the number r

1**8(nPr)5=1028160**

For combinations, use nCr key instead of nPr.

**18(nCr)5=8568.**

Hope it helps

On calculators you calculate permutations and combinations as follows

Enter the number n then press key nPr, and the number r

1

For combinations, use nCr key instead of nPr.

Hope it helps

Apr 24, 2009 | Texas Instruments BA-II Plus Calculator

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.

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

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.

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

I can't find it but you can do this:

nCk = (n choose k) = n! / k! / (n-k)!

I don't think there is any other way on this calculator.

Rate me, thanks.

nCk = (n choose k) = n! / k! / (n-k)!

I don't think there is any other way on this calculator.

Rate me, thanks.

Sep 29, 2008 | Texas Instruments TI-34II Explorer Plus...

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