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

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I cannot access my memory

A fellow student in my class hs placed an application call mirageOS on my calculator and i cannot access my memory which i need to access to place a game that i have downloaded onto my calculator. How can i delete this program without using memory?

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"How can i delete this program without using memory?"

By that I am assuming the memory key on the TI, the only other way to remove applications is through the TI connect software which will require the use of a USB cable in the case of the TI-84.

TI connect will also let you backup anything important you may have on your calc. Good Luck:

Download TI Connect

Posted on Dec 16, 2008

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Posted on Jan 02, 2017

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There are 80 students in statistics . You and 11 others earned the same score, what percentage of the class received your score?

You and 11 others = 12. So the answer is twelve eightieths.

12 divided by 80 x 100 will give you the answer.

You can check the answer as 10% of 80 would be 8 students. For 10 percent you just move the decimal place one number to the left 80.0 = 8.00.

Jan 17, 2016 | Office Equipment & Supplies

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How do i configure this calcualtor to round to multiple decimals and not the 2 decimal places it defaults to?

Use the middle slide switch of the three between the display and the keyboard.

The far left position sets it to two decimals, the far right position displays all effective digits up to twelve, the inner positions allow you to specify the number of decimal digits.

If you need a manual, you can download one from the manufacturer's web site at

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I need to clear the memory on my TI-83 plus, but when i hit "2nd +" the memory screen does not come up. I have to show my professor the "MEM CLEAR" screen in order to take my exam!!

If you have MirageOS installed under the APPS button on your TI-83 plus, it may be blocking your memory menu. Enter MirageOS and press the ALPHA key. It may ask for a password which will have been set by the user. If so, you will need to enter it in. Go down to the option: Tasker and Key Hooks. There is an option that says: "Block the memory menu from access". Disable this, and you should be able to access the memory menu.

Feb 13, 2011 | Texas Instruments TI-83 Plus Calculator

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I would like a battery operated hand held calculator to use in Oregon state testing at the elementary level. Our students take the test on computers so we turn out the lights so the screens are bright and...

I am not sure that you can find good battery operated calculators at this price range. However is as you say the testing is at the elementary level, maybe some cheap calculators found at dollar stores will do the job.
Cheap calculators are often used as promotional items.

Since testing is done on computers what not let the students/applicants use the calculator application that is found the computers. I do not know about Apple products but PC computers have a calculator usually found under Accessories (in Windows XP). If you find a way to dock the calculator application on the screen or show the students how to raise tha calculator window quickly, you will not need to buy additional calculators.

May 05, 2010 | Texas Instruments TI-30XA Calculator

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Random symbols and/or dots all over the screen, cursor in middle of screen an turns off randomly

1. Press [2nd][QUIT] to interrupt any program that may be hung in memory such as games run under MirageOS.
2. Clear the screen by pressing [CLEAR].
3. Reset memory [2nd][MEM][7:Reset][1:All Ram][2:RESET] [ENTER]. ram cleared appears on screen.
4. Press [CLEAR] to go to Home screen.
Hope it helps.

Sep 30, 2009 | Texas Instruments TI-83 Plus Calculator

2 Answers


Yes i know exactly what that is. This happens when you are in mirage OS and you set that option. What you need to do is take out the batteries when its on or go to mode and press alpha and s (LN) and then it should ask for self check say yes and press enter for like ever. I prefer to take out the batteries Then quickly go to memory and delete the avtar. It should do the trick.

Sep 09, 2008 | Texas Instruments TI-84 Plus Calculator

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How to reset my TI-83

Yes, hit 2nd then hit the plus sign for mem.. then hit 7.. then 2 then hit 2 again... so do a system reset

Aug 18, 2008 | Texas Instruments TI-83 Plus Calculator

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Misinterpreting Program Types

many times it all as to do with how much memory you actually have. the more games the less memory, and if you use too much memeory on the actuall files it doesnt have enough to run games, to free up space either delete some files or archive them (archiving renders them unuseable untill u rearchive them) but archiving has alot more space

also some games are not compatible with mirage os or ti 84

hope this helped

May 17, 2008 | Texas Instruments TI-84 Plus Calculator

3 Answers

Un-protect a program

instead of protected i think the word your looking for is archived??? If so just hit "2nd" then the + key then go to Memory managment/delete. Hit all and then hit enter on the program you want to unprotect. That should work. I hope this is what you wanted. Good luck

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i need to know what the one place is to 3^99

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