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Graphing a Vertical Line
(without using DRAW)
Both Clasic Mode and MathPrint Mode.

It is possible to draw vertical lines using the DRAW commands.  Unfortunately, lines drawn with these commands cannot utilize any of the graphing features such as intersect, etc.

There is a way to "fake" the calculator into producing a somewhat "workable" vertical line. 

To graph the vertical line x = 5:

    Y1 = A Big Number (x - 5)

where "A Big Number" is around 1,000,000.


The intersection option can be engaged.


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