Question about Texas Instruments TI-82 Calculator

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When i try to look at the graph i've given the expression in "Y=", the calculator wrote on the screen "ERR:DIM MISMATCH" How can I manage to look at my graph then ? What's the preblem ?

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Hello,
Reset the memory of the calculator and draw your graphs again.
To reset memory
Press [2nd][MEM][3:Reset][2:Reset][ENTER].
Since this procedure resets the screen contrast to default settings, you may have to adjust it.
To adjust contrast
Press [2nd] key and release it.
Press and hold [UpArrow] to darken or [DownArrow] to lighten contrast.

Hope it helps.

Posted on Nov 15, 2009

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