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Posted on Jan 03, 2010

"Y=" graphing problem

When I press the Y= button, it comes up with R1=, so when I press graph, it comes up with "Err: Invalid Dim". How do I fix this?

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  • Posted on Jan 05, 2010
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It's possible your graph is set to Polar mode. to fix, press [mode] (top row, 2nd from the left) and go down to where it says "Func" when you reach func just press enter so that it's the highlighted text. i'm assuming that "POL" is highlighted right now?

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Hello,
The easiest and quickest way to start graphing is to reset the RAM. Press [2nd][MEM][7:Reset][1:All Ram][2:Reset], then [CLEAR] to clear the RAM Cleared Message and go to the main screen.
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