I agree with UltraWN. It's not really a big deal for getting it wet. Its not a cellphone, computer or anything where data should be restored. Well unless if you "have" some in there, which would most likely not very much possible. So yeah, it should be totally fine. Or you could always replace it with something new. Hewlett Latest post: Garde corps terrasse
RAM cleared simply means that everything in the RAM section is deleted. This includes unarchived programs, lists, variables, y=, and settings you changed from the defalts like the Xmin and Xmax, Xscl, and the grid, lables, those settings. Stuff in archives will not be changed; such as flash applications. After the RAM clears, the calc is still totoally functional (Unless your problem is that it clears the RAM everytime you turn it on. In that case, I don't know what to do) Our math teacher makes us clear the RAM everytime we finishes a test. It should be totally fine.
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Mmmm... it sounds like the calculator has been dropped or possibly gotten wet - maybe with something wet & sugary, which when it dries leaves behind a sugar deposit that won't allow enough electrical connection for the keys to work.
At this point, you've got very little to lose - if you suspect that it may have gotten wet, you could pull it apart (carefully) and rinse it out inside - very thoroughly - with distilled water, then let it dry for about a week before you put it back together.
If it's been dropped, it's probably not worth repairing; even scientific or statistical calculators are inexpensive compared to the cost of repairs.
Look at the I/O port (the round one on the top left side) and extract any foreign material that may be lodged inside the port. You can use compressed air but not the tip of pencil as the "lead" (in fact graphite) is an electrical conductor.
To reset the calculator the RAM must be cleared
To clear RAM
Press [2nd][+] to access (MEM) memory management
Press [7:Reset][1:All Ram][2:Reset][ENTER]
Press [CLEAR] to erase "Ram Cleared" message.
After you reset the Ram you may have to adjust screen contrast
The Ram cleared message is normal after you change batteries. When you see this message you press the CLEAR button to erase it. You do not press the ON button again because the calculator is already ON. If you want to turn calculator OFF you press [2nd][ON] (OFF).
On certain calculators, pressing the ON button when calculator is already ON is interpreted as INTERRUPT the current command.
Where that ''weirdness'' is coming from, I cannot say, but you can press the CLEAR key to clear the screen. Reset the calculator Ram.
Press [2nd][MEM][7:Reset][1:All Ram][2:Reset][ENTER]. Press [CLEAR] to erase the "Ram Cleared" message.
Make it a habit to exit thid-party programs/games after each use. They have a tendancy to get stuck in RAM, thus preventing you from using your calculator.
[2nd][MEM][7:reset][1:All ram][2:Reset] Memory cleared displays on screen. Some games remain stuck in memory, preventing you calculator from performing correctly. No you are not dumb. You just have to learn how to get youself out of an unpleasant situation. Truth is a set of corrected errors.
These instructions are from education.ti.org, and worked for me.
1) Take out one of the AAA batteries
2) Hold down the CLEAR button
3) Put the AAA battery back in while still holding down the CLEAR button
4) Let go of the CLEAR button and turn the calculator ON
5) Press CLEAR to get rid of the error message.
Then you should be good! All the applications on my calculator were still intact, so despite the error message, the RAM was never actually cleared.
Remove the six screws on the back cover. After the batteries are installed you need to reset the board. There is a little reset area that needs to be shorted to get the calculator back to normal. Look closely at the circuit board- You'll see a little circle next to the word reset. Its near the middle of the board. Wet your finger- press it on the circle. It should short. Blow it dry with your breath. It should work...