Re: TI-83 cleared mem


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Re: TI-83 cleared mem



Im not sure the cause of the original lockup, but I do know one thing:
If you take out the battery while the calc is on (ie, locked up) it WILL
clear. Backup battery activates when the calc is turned off.

Scott Spetalnik wrote:
>
>      I'm taking a pre-calculus class and I bought a TI-83.  I don't have
> a link-up to a computer, yet, so nothing has been up or downloaded,
>
>      I wrote a program in Basic to calculate possible rational roots for
> a function.  It wasn't huge, but more than I'd care to constantly key in.
> My first test of the program went well.  The second time I tried it I got
> some strange graphics on the screen, as if it was changing graphing
> windows, and then it locked up on me.  It wouldn't turn off or accept any
> keystrokes.  I removed a battery and reinserted it.  The calculator was
> back to normal, but all programs had been cleared.
>
>      I quickly wrote a 3 line program and tested it.  No problems.  I
> removed a battery and reinserted it.  It was still there.
>
>      I reset mem to defaults and started over.  On my third test of my
> rational roots program I got a different set of displays ending in the
> screen saying "mem cleared".  It didn't lock up that time.
>
>       Obviously, programming isn't worthwhile if the program won't
> stay saved.  Any clue what happened?  How can I avoid this problem in
> the future?
>
> --
> Scott Spetalnik     | Hillary Rodham Clinton Virus:
>   srs@aol.net       | Instantly turns 1 KB of disk space into 1 MB.


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