Question about Casio FX9750GII Graphic Calculator

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1) Press SHIFT 4 (**catalog**)

2) *If It's your first time opening "catalog" , *press F6 (**CTGY**) then press 5 (**Program Command**) ...

*If not, *directly press 5 (**Program Command**)

3) Scroll down until to find all inequality signs

Posted on Sep 25, 2015

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The relational operators (=, >, <, and similar symbols) are available in two places. **If you are trying to draw an inequality graph**

Press the Graph Menu,

Press F3:Type

Press F6:> to access other tabs. The 4 inequality symbols are availabe in the following screen.

Press F1:>, F2:< etc. to type in the inequality sign in your inequality.**If you want the relational operators for some other purpose**, you can access then in the catalog of commands.

Press Menu

Press 1:Run>Mat to go to the main calculator screen

Press [SHIFT][4] (Catalog] to open the Catalog.

Scroll up or down until you reach the relational operator you want.

Select it and press EXE.

Posted on Jul 05, 2012

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Posted on Jan 02, 2017

The relational operators (=, >, <, and similar symbols) are available in two places.

**If you are trying to draw an inequality graph**

Press the Graph Menu,

Press F3:Type

Press F6:> to access other tabs. The 4 inequality symbols are availabe in the following screen.

Press F1:>, F2:< etc. to type in the inequality sign in your inequality.

**If you want the relational operators for some other purpose**, you can access then in the catalog of commands.

Press Menu

Press 1:Run>Mat to go to the main calculator screen

Press [SHIFT][4] (Catalog] to open the Catalog.

Scroll up or down until you reach the relational operator you want.

Select it and press EXE.

Press the Graph Menu,

Press F3:Type

Press F6:> to access other tabs. The 4 inequality symbols are availabe in the following screen.

Press F1:>, F2:< etc. to type in the inequality sign in your inequality.

Press Menu

Press 1:Run>Mat to go to the main calculator screen

Press [SHIFT][4] (Catalog] to open the Catalog.

Scroll up or down until you reach the relational operator you want.

Select it and press EXE.

Jul 04, 2012 | Casio FX9750GII Graphic Calculator

The equal sign of the TI83/84/Plus is a **relational operator **like less than , greater than, less than or equal to)** **You use it when you are **testing if two values (numbers, expressions, or matrices) are equal.**

For example, if in one your programs what you do at a certain time depends on the equality of two expressions, you test the equality by a statement :

If A=B do this action.

For example, if in one your programs what you do at a certain time depends on the equality of two expressions, you test the equality by a statement :

If A=B do this action.

Jan 30, 2012 | Texas Instruments TI-84 Plus Silver...

Press 2nd [TEST] to bring up the test menu.

Jul 18, 2011 | Texas Instruments TI-81 Calculator

You, or someone else played with INEQALZ (inequalty graphing) applications. The problem is thet it remains in memory and takes over the graphing duties from the native OS. If you do not want Inequalz to manage the graphing, just kick it out of memory.

Press [APPS¨] key.

Use arrows to scroll through the list of APPS.

Locate INEQALZ and highlight it.

Press [ENTER]

In the new screen INEQALZ RUNNING, press the number that corresponds to the option Uninstall.

Press [APPS¨] key.

Use arrows to scroll through the list of APPS.

Locate INEQALZ and highlight it.

Press [ENTER]

In the new screen INEQALZ RUNNING, press the number that corresponds to the option Uninstall.

Feb 23, 2011 | Texas Instruments TI-84 Plus Calculator

It seems that you are drawing Inequality Graphs.

A. If you are not drawing inequalities, kick the Ineqal application out of memory.

B. If you still want inequality drawing, but just for once want a function graph,

C. To kick The INEQUAL application from memory,

A. If you are not drawing inequalities, kick the Ineqal application out of memory.

B. If you still want inequality drawing, but just for once want a function graph,

- you can open the Y= editor. The operation sign (=, less than, less than or equal to,...) will be highlighted in your equation (inequality).
- Press the [ALPHA] key then press the [Y=] key to select the tab corresponding to the = sign.

C. To kick The INEQUAL application from memory,

- Press the [APPS] button.
- In the the new screen display (INEQUAL RUNNING), select [2:Quit Inequal]
- Return to the [Y=] editor screen to make sure that you have function graphs

Feb 17, 2011 | Texas Instruments TI-84 Plus Calculator

Graph 2X PLUS 1 for X in open interval ]-1,0[

It should be entered as follows

(2X plus 1) (X larger than negative 1) (X less than zero)

In [Y=] editor and on line Y1= type your right hand side between parentheses (2X Plus 1). I use the Plus instead of the usual sign because the parser of the web site removes the sign.

[( ]2 [X,T,theta,n] [Plus] 1 [)] [(] [X,T,theta,n] [2nd][MATH] [3: larger than] [(-)] 1 [)] [(] [X,T,Theta,n] [2nd][MATH][5: less than] 0 [)]

Here are some screen captures to help you

It should be entered as follows

(2X plus 1) (X larger than negative 1) (X less than zero)

In [Y=] editor and on line Y1= type your right hand side between parentheses (2X Plus 1). I use the Plus instead of the usual sign because the parser of the web site removes the sign.

[( ]2 [X,T,theta,n] [Plus] 1 [)] [(] [X,T,theta,n] [2nd][MATH] [3: larger than] [(-)] 1 [)] [(] [X,T,Theta,n] [2nd][MATH][5: less than] 0 [)]

Here are some screen captures to help you

Oct 30, 2010 | Texas Instruments TI-84 Plus Calculator

Hello.

The less than and greater than signs are above the "(" and ")" keys.

Hope this helps.

The less than and greater than signs are above the "(" and ")" keys.

Hope this helps.

Apr 11, 2010 | Texas Instruments TI-84 Plus Silver...

Hi,

You are running the application called Inequalz. You must uninstall it (NOT DELETE) to return to the normal calculator configuration.

Press [APPS]. Scroll down to find Inequalz. Highlight its number in the list and press {ENTER]. You will see a screen**Inequal Running** and

Your calculator will unload it out of memory.

Hope it helps.

You are running the application called Inequalz. You must uninstall it (NOT DELETE) to return to the normal calculator configuration.

Press [APPS]. Scroll down to find Inequalz. Highlight its number in the list and press {ENTER]. You will see a screen

- Continue
- Quit Inequal
- 3:About.

Your calculator will unload it out of memory.

Hope it helps.

Dec 04, 2009 | Texas Instruments TI-84 Plus Silver...

Hello,

The pH is defined as the negative log in base 10 of the H+ (H3O+) ion concentration. The concentration of your solution is 1.2x10^(-5). You calculate the log of 1.2x10^(-5) which is -4.9208188754, let us just say it is equal to -4.921.

Once result is displayed press the change sign key (-) or on some calculators [+/-] and calculator will take the negative of the result.

So your pH is about 4.921

Another less efficient way to do it is to enter

0-log(1.2x10^-5) [ENTER]. The result will be positive.

The change sign (-) is smaller than the regular MINUS sign. It is used with negative exponents and to change the sign (hence its name) of a displayed result.

The pH is defined as the negative log in base 10 of the H+ (H3O+) ion concentration. The concentration of your solution is 1.2x10^(-5). You calculate the log of 1.2x10^(-5) which is -4.9208188754, let us just say it is equal to -4.921.

Once result is displayed press the change sign key (-) or on some calculators [+/-] and calculator will take the negative of the result.

So your pH is about 4.921

Another less efficient way to do it is to enter

0-log(1.2x10^-5) [ENTER]. The result will be positive.

The change sign (-) is smaller than the regular MINUS sign. It is used with negative exponents and to change the sign (hence its name) of a displayed result.

Oct 06, 2009 | Texas Instruments TI-30XA Calculator

hello there here is a link for you...click me. be aware that you will probably lose any installed3rd party products.

Nov 27, 2008 | Texas Instruments TI-83 Plus Calculator

May 20, 2014 | Casio FX9750GII Graphic Calculator

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