Texas Instruments TI-83 Plus Manual Book page 26

The and
X
bottom of the screen. The
are displayed in the top left corner. The intersection symbol is
Y1© © Y2
used when both relations are represented by solid lines (i.e.,
). For points of interest where the relation is represented
by a dotted line, the
(i.e.,
Y1, Y2
The PoI-Trace feature was designed for linear functions. It may
not find all points of interest for non-linear functions. See
Exploring Non-linear Functions
of interest.
If one or more Y-variables contains a list, you will not be able to
Note
trace points of interest for the graph.
Press
The first point of interest is displayed.
Note At any time, you can press
Inequality Graphing for the TI-83 Plus
coordinates for the intersection are displayed at the
Y
and
X
n
).
to trace points of interest.
and values for the intersection
X Y
n n
values are separated by a comma
Y
n
to learn how to find these points
to stop the solver.
Page 26