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Specific sub-
menus
Note:
When coordinate system is Polar, Param or Seq, only 1 Value is
selectable in the CALC menu.
1 Value
With this sub-menu tool, the Y value can be obtained by entering
an X value. The flashing graph cursor will then be placed in that
position on the graph. If more than one graph equation is set, use
the { or } keys to switch to the equation you wish to work
with.
Note:
If the entered X value is
incalculable, an error message
will be displayed. Also, if the Y
value exceeds the calculation
range, then "----" will be
displayed instead.
2 Intsct
With this tool, the intersection(s) of two or more graphs can
be found, where the flashing cursor will be placed. When the
intersection is found, then the X-Y coordinates of the intersection
will be displayed at the bottom of the screen. If there is more than
one intersection, the next intersection(s) can be found by selecting
the tool again.
Note:
If there is only one graph
equation entered there will be
no other graph(s) to form an
intersection, so selecting this
tool will result in an error.
3 Minimum
Finds the minimum of the given graph, and places the flashing
cursor at that position.
Note:
If the given graph has no
minimum value, an error
message will be displayed.
If there are several minimum
values, please use this function
again.
Chapter 4: Graphing Features
87
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