Thread: Problem with calc (stuck in an unterminated program?)

please tell me any ideas on how to fix this! (need to use the calculator for an important class)
my calculator screen is just a little screwed up sometimes
I think it might still be trying to execute a program I created and somehow didn't end it properly because there's a small vertical line in the upper right hand corner that seems to be indicating it's running something in memory?
it still performs calculations fine...
but when the first screen fills up with calculations and scrolls down to new screen more lines appear
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then I press clear and it's only that one at the top corner
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also alot of times stuff appears on the screens all jumbled (like when I bring up any menus or lists) and i can't make out the letters and the cursor gets all screwed up and goes all over the screen

any ideas? any way to stop executing all programs (if that's the problem)?
I don't know if there's any way I can contact them (the company) and get it replaced or something. ? I also have two different chords to hook it to the PC if there's anything I can do to my calc from the PC. ?
tried [2nd][+][7][2] and hit yes to reset defaults, it didn't work... although the problem does go away sometimes it comes back...

Press ON with your calculator already on. This should break and stop any program that is running so that you can properly delete it. If it doesn't work...then try removing/re-inserting the batteries.

ok, just tried that. didn't work though. thanks anyway...