Exploring Sequence Graphs - Texas Instruments TI-83 Manual Book

Exploring Sequence Graphs

Free-Moving
Cursor
TRACE
Moving the Trace
Cursor to Any
Valid n Value
The free-moving cursor in
in graphing. In
Func
updates the values of
selected, and are displayed. In
X Y
and q are updated; if
are displayed.
The axes format setting affects
When , ,
Time uv vw
moves the cursor along the sequence one
increment at a time. To move five plotted points at once,
press y ~ or y |.
When you begin a trace, the trace cursor is on the first
selected sequence at the term number specified by
, even if it is outside the viewing window.
PlotStart
Quick Zoom applies to all directions. To center the
viewing window on the current cursor location after
you have moved the trace cursor, press Í. The
trace cursor returns to
In format, the trail of the cursor helps identify points
Web
with attracting and repelling behavior in the sequence.
When you begin a trace, the cursor is on the x-axis at the
initial value of the first selected function.
Tip: To move the cursor to a specified
n , and press Í. For example, to quickly return the cursor to the
for
beginning of the sequence, paste
Í.
To move the trace cursor to any valid
current function, enter the number. When you enter the
first digit, an prompt and the number you entered are
n =
displayed in the bottom-left corner of the screen. You can
enter an expression at the
valid for the current viewing window. When you have
completed the entry, press Í to move the cursor.
graphing works the same as
Seq
format, moving the cursor
RectGC
and ; if
X Y CoordOn
PolarGC
format is selected,
CoordOn
TRACE
, or axes format is selected,
uw
.
n Min
n
during a trace, enter a value
n Min
to the
prompt. The value must be
n =
Sequence Graphing 6-9
format is
format, , ,
X Y
and q
R
.
TRACE
PlotStep
n =
prompt and press
value on the
n
,
R