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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.
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
Continue
Quit Inequal
3:About.
Press [2:Quit ..] Your calculator will unload it out of memory.
Hello, To enter the inequation you split it into two inequalities Graph is as follows Use [2nd][CATALOG] to access the relaional operators less than or equal, greater than or equal, and the operator AND. To access the inequality signs scroll upwards from abs( to reach the bottom of the catalog. Note: You can use t as variable only in parametric graphs. Use x. Hope it helps.
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