Question about Texas Instruments TI-36X Scientific Calculator

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To calculate the number of combinations of n items taken r at a time, enter n, press xy, enter r, then press 3rd [nCr] =. For example, to find the number of possible five-card poker hands, press

5 2 xy 5 3rd [nCr] =

Posted on Jan 27, 2011

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Posted on Jan 02, 2017

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Kimarly, Menu Location. Press: MATH to access the math menu. LEFT to access the PRB submenu. 3 to select nCr, or use arrows.

**"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."**

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Feb 26, 2016 | Office Equipment & Supplies

There is no such key on this calculator. You can calculate it using factorials. To calculate nCr you can calculate n! / (r! * (n-r)!).

Apr 30, 2012 | Sharp EL-501WBBL Calculator

That's because there is no such button. It's in a menu.

If you press the PRB key you'll see a menu which includes nCr as one of the choices.

If you press the PRB key you'll see a menu which includes nCr as one of the choices.

Mar 25, 2012 | Texas Instruments TI-30 XIIS Calculator

The identity (n+1)Cr=nCr+nC(r-1), valid if n>=1 and 1=0. These facts embody the construction of Pascal's triangle and let you prove by induction (on n) that nCr is always an integer since it's either 1 or it's the sum of two integers.

You can also think of the combinatorial definition of nCr, the number of r-subsets of an n-set. This is definitely an integer. Of course then you'd have to prove that the factorial expression for nCr is correct...

The nCr are binomial coefficients with the property that n+1Cr = nCr-1 + nCr (think of Pascal's Triangle) with nCn = 1 = nC0. Since 0C0 = 1 it follows that all nCr are integers

You can also think of the combinatorial definition of nCr, the number of r-subsets of an n-set. This is definitely an integer. Of course then you'd have to prove that the factorial expression for nCr is correct...

The nCr are binomial coefficients with the property that n+1Cr = nCr-1 + nCr (think of Pascal's Triangle) with nCn = 1 = nC0. Since 0C0 = 1 it follows that all nCr are integers

Dec 06, 2010 | Dell Computers & Internet

You're getting the correct answer. There are no ways of getting 56 items out of 52. Think about dealing 56 cards out of a deck of 52. It can't be done.

Now, if you want to pick 52 items out of 56, you can press

5 6 2nd nCr 5 2 =

and get the answer.

Now, if you want to pick 52 items out of 56, you can press

5 6 2nd nCr 5 2 =

and get the answer.

Nov 10, 2010 | Texas Instruments TI-30XA 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...

There is no direct or shifted keystroke for nCr nPr and ! on casio long ago.

You can access to those function using OPTN button; here is how to do...

press OPTN, F6(>), F3(PROB), F3(nCr)

You can access to those function using OPTN button; here is how to do...

press OPTN, F6(>), F3(PROB), F3(nCr)

Jun 13, 2009 | Casio FX-300MS Calculator

Firstly you will need NCR Scan Tags. You can download from

http://ncrpr.ncr.com/web/rsdmkt/dealerReady/docs/User_Guides/HighPer_Scanner-User-Guide.pdf

You will have to print out the Scan Tags which start at page 281 and you will also need the correct weights; 0kg, 2.5kg, 5kg and 10kg.

Then follow these steps and be sure to scan tags in correct order:

1. Reset

2. Default

3. Program mode

4. Hex 3

5. Hex 0

6. Hex 1

7. Push the calibrate button under weighing tray

8. Place the correct weights in order. It will ask for the weights in order.

9. Calibration complete

http://ncrpr.ncr.com/web/rsdmkt/dealerReady/docs/User_Guides/HighPer_Scanner-User-Guide.pdf

You will have to print out the Scan Tags which start at page 281 and you will also need the correct weights; 0kg, 2.5kg, 5kg and 10kg.

Then follow these steps and be sure to scan tags in correct order:

1. Reset

2. Default

3. Program mode

4. Hex 3

5. Hex 0

6. Hex 1

7. Push the calibrate button under weighing tray

8. Place the correct weights in order. It will ask for the weights in order.

9. Calibration complete

Jun 05, 2009 | NCR 7875

i lost my scanner installation disk for model NCR-7837, how can i get it to install?

Jan 15, 2009 | NCR RealScan 7872 (787220509090) Fixed...

WE HAVE PLENTY OF THESE IN STOCK! <-- NCR Technician now Sales Rep... WE CAN REPAIR THIS!

Capital Computer Group

2425 Enterprise Dr.

#200

Mendota Heights MN, 55120

Wethernb@capcom-ncr.com

651-405-8293

We Buy, Sell, Repair, and Refurbish both new and used POS Systems, NCR, IBM... We also offer structured cabling as well as Video Surveillance Equipment.

Give us a call and we can trouble shoot it with you!

Capital Computer Group

2425 Enterprise Dr.

#200

Mendota Heights MN, 55120

Wethernb@capcom-ncr.com

651-405-8293

We Buy, Sell, Repair, and Refurbish both new and used POS Systems, NCR, IBM... We also offer structured cabling as well as Video Surveillance Equipment.

Give us a call and we can trouble shoot it with you!

Aug 22, 2008 | NCR 7167 Thermal Printer

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