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Extremum
The final item in the menu is the
Extremum tool. This is used to find relative
maxima and minima for the graphs.
Ensure that is switched on and that the
cursor is positioned on the cubic F2(X) in the
vicinity of the left hand maximum (turning point) as shown right. Press
and choose Extremum from the menu. You should find that the cursor will
jump to the position of the maximum.
Calculator Tip
If your graph has asymptotes then make sure that the
cursor is positioned on the side of the asymptote
containing the extremum before initiating the process. The
internal algorithm used does not cope well with intervening
asymptotes.
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