Question about Texas Instruments TI-84 Plus Silver Edition Graphic Calculator

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The screen reads RAM cleared.

I turned on my calculator and it says RAM cleared, press alpha F1-F4 to locate shortcut menus. I did this but nothing happens. I tried to turn it off but it froze on the blank screen with the cursor on (not blinking). I tried taking the batteries out and replacing the backup battery but nothing works. please help!

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Posted on Jan 02, 2017

  • 7993 Answers

SOURCE: My son has a TI-84

The calculator OS has been upgraded to the version 2.53 MP.
For this version, whenever you remove batteries (or replace them) and turn calculator ON, you are reminded to Press [ALPHA][F1-F4] to locate Shortcuts Menu.
The calculator also asks the user to press either
[1:Do NOT show Again]
[2:Continue].

Here is what these cryptic messages mean.

Certain functions implemented on the new OS are available by pressing the [ALPHA] key followed by F1, F2, F3 or F4.
Since you may forget how to get to them, the calculator gently reminds you that there are other functions accessed only by pressing the [ALPHA] key.
It also gives you the option to flash the reminder every time the calculator memory is reset (CONTINUE) or NOT to SHOW the REMINDER again.

Usually after the RAM cleared message, press [2:Continue] or any other key but [1: ] to keep being reminded how to access the new functions.
Once a key is pressed the screen is cleared and you have the solid blinking cursor.

Posted on Oct 06, 2010

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The function keys originally have twp functions: One function accessed by pressing a function key directly, the other by first pressing the 2nd key then the function key.
With the newer operating systems, there is a third function associated with the function keys F1.F2,F3 and F4, but not F5 nor F6. This third function is revealed after you press the ALPHA key.

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Alpha key not recognized when pushed


When the ALPHA key is pushed the cursor shows an A. Press one of the keys that has the same color as the ALPHA key (A,B,C,...X,Y,Z).
If you have the MathPrint OS, the ALPHA F1/F2/F3/F4 sequence activates shortcuts to newe features (fractions, logab, sums etc..)

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I can't see the shortcut menus. When I press ALPHA F1, I get the Y= menu. The ALPHA key is not broken, because ALPHA MATH produces an A as it is supposed to. I've hit 2ND-QUIT and CLEAR several...


I just had this problem: shortcut menus used to work, but stopped, with TI Version 2.55 MP. I discovered that running the preloaded app PlySmlt2 (others work, too) and quitting it fixed the problem, but that later running a non-TI app caused the problem again. So the non-TI app may be misbehaving, as suggested in this TI knowledge base article.

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How do you convert from decimal to fraction or fraction to decimal


Use the >Frac and >Dec commands in the MATH menu. Press the MATH button to bring up the menu.

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How do i use the "shades" or "Po-I-Trace" menus on the TI-84?


Press APPS. Scroll up or down to reach Inequalz and press ENTER. The inequalz application will know control function graphing. Open the Y= editor to enter at least two inequalities . Use the tabs at the bottom to type in the relational operators. You will have to press [ALPHA] followed by [F1], or [F2], etc

7_30_2011_12_32_29_pm.jpg
Press the GRAPH function key (F5) to draw the graphs. You get the two regions superposed (original shading).

7_30_2011_12_35_32_pm.jpg
Press [ALPHA][F1 or F2] to activate the [SHADES] tab. This open up the following screen.

7_30_2011_12_38_54_pm.jpg
On this screen you can choose the type of shading 1: Intersection of the two regions ( the part of the plane that satisfies both inequalities, 2 the union of the two regions or 3 the original shading (as compared to choice 2). Selecting option 1:intersection gives you the following screen.

7_30_2011_12_49_11_pm.jpg
If you press the [ALPHA][F5] keys you have the HELP ? screen below.

7_30_2011_12_50_23_pm.jpg
If you press the [ALPHA] [F3] keys you get a Point of Interest (You should consult the manual for the Inequalz application for more details.
7_30_2011_12_52_14_pm.jpg
By pressing the TRACE button (not ALPHA F4) and the left or right arrows you you can follow the graph of one of the functions. You jump to the other functions by pressing the Up or Down arrows.

7_30_2011_12_57_36_pm.jpg
To get the manual for Inequalz go to the education.ti.com and download it.

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1 Answer

How do you add matrices such as a (2x2) (2x3) on a casio fx-9750g


Here is enough to get you started and a little more.
Read the post ant consult your calculator manual. The screen captures below may not look exactly as your calculator but the steps are identical.

A. Define a matrix (Create it)
  1. Turn calculator ON.
  2. Press Menu,select the MAT icon and press [EXE]
  3. You see a list of possible matrix labels (A, B, C,D,E,F)
  4. All that have not been created have a "none" to their right
  5. Highlight a matrix name and press the right arrow. Where there was "none" , you have a template 0x0.
  6. That is where you specify the dimensions (mxn). example. 2x2
  7. Enter the first dimension and press [EXE]
  8. Enter the 2nd dimension and press [EXE]
  9. A matrix template opens where you enter the coefficients left to right and up down.
  10. After each coefficient press [EXE]. Cursor moves to the next coefficient, etc.
Press [SHIFT][QUIT] to return to the list of matrices to create new ones

B Operations on matrices
Once you have one matrix, you can do operations on it: Calculate the determinant (if matrix is square), calculate its inverse, transpose, augment it, fill it, etc..
  1. These operations are accessed as follows.
  2. Quit the matrix editor by pressing [Menu] and selecting the [Run] application.
  3. Press [OPTN][F2:MAT]
  4. You have the menus Mat,M(atrix)->L(ist), Det(erminant), Trn (transpose), Aug(ment) ->, Iden(tity),Dim(ension) Fill
Example : calculate the determinant of a matrix A (already defined).
  1. You press the [OPTN][F2:MAT] key sequence (just above)
  2. Press [F3:Det]; the command det is displayed on screen.
  3. Press [F1:Mat] the identifier Mat is displayed.
  4. Press [ALPHA] A; screen display det Mat A.
  5. Press [EXE] to get the value of the determinant.
C. Square of Matrix A
[OPTN][F2:MAT] (MAT) [Alpha] A ^2 [EXE]

D. Product of two compatible matrices MatAXMatB

[OPTN][F2:MAT] (MAT) [Alpha] A [*] (MAT) [ALPHA] B [EXE]

k24674_10.jpg

Part E Invert a (square, non singular) matrix that was already defined.

Press [OPTN] [F2:Mat] to open a screen similar to the one in capture above
Press [F1:Mat] to have identifier Mat displayed.
Enter the name of the matrix by pressing [ALPHA] A, for example.
Press [SHIFT] [ ) ] activate the (x^-1) key.

This is what you might see (with parentheses and without).
k24674_31.jpg

Press [EXE] button to calculate the inverse.

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How do I the ALPHA f1 function menu to appear so I can enter fractions


Hi...

You can access F1 by
  1. Press and Release "ALPHA" Key
  2. Now press desire function key. Here in this case, Press "Y="

nightflare_12.jpg

Many keys in this calculator serves one than one function which can be access through by pressing either "2nd"(Blue Key) or "ALPHA"(GREEN KEY). Such extra functions are noted on keys in Green or Blue color. These additional functions are accessed by first pressing corresponding color key and desired function Key.

For example:
pressing UP and DOWN keys navigates the screen up and down
if we press ALPHA key and then UP/DOWN key, it will scroll screen UP/DOWN by a page. Also you can use this combination for copy functions.
if we press 2nd Key instead of ALPHA, we can change Contrast of The screen

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1 Answer

How can i use Graphic calculator (fx-9860G) to solve matrics ( addition and multiplication etc). Would you please help me step by step. Asmat


Here is enough to get you started and a little more.
Read the post ant consult your calculator manual. The screen captures below may not look exactly as your calculator but the steps are identical.

A. Define a matrix (Create it)
  1. Turn calculator ON.
  2. Press Menu,select the MAT icon and press [EXE]
  3. You see a list of possible matrix labels (A, B, C,D,E,F)
  4. All that have not been created have a "none" to their right
  5. Highlight a matrix name and press the right arrow. Where there was "none" , you have a template 0x0.
  6. That is where you specify the dimensions (mxn). example. 2x2
  7. Enter the first dimension and press [EXE]
  8. Enter the 2nd dimension and press [EXE]
  9. A matrix template opens where you enter the coefficients left to right and up down.
  10. After each coefficient press [EXE]. Cursor moves to the next coefficient, etc.
At the bottom of the screen you have 3 menus for Row and column manipulations. But those will have to wait for now.
Press [SHIFT][QUIT] to return to the list of matrices to create new ones

B Operations on matrices
Once you have one matrix, you can do operations on it: Calculate the determinant (if matrix is square), calculate its inverse, transpose, augment it, fill it, etc..
  1. These operations are accessed as follows.
  2. Quit the matrix editor by pressing [Menu] and selecting the [Run] application.
  3. Press [OPTN][F2:MAT]
  4. You have the menus Mat,M(atrix)->L(ist), Det(erminant), Trn (transpose), Aug(ment) ->, Iden(tity),Dim(ension) Fill
Example : calculate the determinant of a matrix A (already defined).
  1. You press the [OPTN][F2:MAT] key sequence (just above)
  2. Press [F3:Det]; the command det is displayed on screen.
  3. Press [F1:Mat] the identifier Mat is displayed.
  4. Press [ALPHA] A; screen display det Mat A.
  5. Press [EXE] to get the value of the determinant.
C. Square of Matrix A
[OPTN][F2:MAT] (MAT) [Alpha] A ^2 [EXE]

D. Product of two compatible matrices MatAXMatB

[OPTN][F2:MAT] (MAT) [Alpha] A [*] (MAT) [ALPHA] B [EXE]

k24674_10.jpg

Part E Invert a (square, non singular) matrix that was already defined.

Press [OPTN] [F2:Mat] to open a screen similar to the one in capture above
Press [F1:Mat] to have identifier Mat displayed.
Enter the name of the matrix by pressing [ALPHA] A, for example.
Press [SHIFT] [ ) ] activate the (x^-1) key.

This is what you might see (with parentheses and without).
k24674_31.jpg

Press [EXE] button to calculate the inverse.

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1 Answer

Dear Sir or Ma'am I have the TI- nspire that has the TI-Plus key pad. I just received the TI-Plus keypad. I install the the keypad and on the screen it shows press Alpha F1-F4 for short cut menu. I see the...


the F1-F4 keys are located at the very top of your keypad. They are also known as the 'Y=' WINDOW, ZOOM, TRACE, and GRAPH keys. If you look at these keys you will see f1-f4 printed on them in green.

Cheers
Sine Wave

Jan 29, 2011 | Texas Instruments TI-84 Plus Calculator

1 Answer

My son has a TI-84 Plus calculator and it is completely frozen. There is a message on the screen that reads " RAM cleared". Below that message it says "Press ALPHA F1-F4 to locate shortcut menus" but it...


The calculator OS has been upgraded to the version 2.53 MP.
For this version, whenever you remove batteries (or replace them) and turn calculator ON, you are reminded to Press [ALPHA][F1-F4] to locate Shortcuts Menu.
The calculator also asks the user to press either
[1:Do NOT show Again]
[2:Continue].

Here is what these cryptic messages mean.

Certain functions implemented on the new OS are available by pressing the [ALPHA] key followed by F1, F2, F3 or F4.
Since you may forget how to get to them, the calculator gently reminds you that there are other functions accessed only by pressing the [ALPHA] key.
It also gives you the option to flash the reminder every time the calculator memory is reset (CONTINUE) or NOT to SHOW the REMINDER again.

Usually after the RAM cleared message, press [2:Continue] or any other key but [1: ] to keep being reminded how to access the new functions.
Once a key is pressed the screen is cleared and you have the solid blinking cursor.

Oct 06, 2010 | Texas Instruments TI-84 Plus Calculator

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