4-8 Parametric Graphing
8304PARA.DOC TI-83 international English Bob Fedorisko Revised: 02/19/01 12:17 PM Printed: 02/19/01 1:36
PM Page 8 of 8
To move the trace cursor to any valid
T
value on the
current function, enter the number. When you enter the
first digit, a
T=
prompt and the number you entered are
displayed in the bottom-left corner of the screen. You can
enter an expression at the
T=
prompt. The value must be
valid for the current viewing window. When you have
completed the entry, press
Í
to move the cursor.
ZOOM
operations in
Par
graphing work the same as in
Func
graphing. Only the
X
(
Xmin
,
Xmax
, and
Xscl
) and
Y
(
Ymin
,
Ymax
, and
Yscl
) window variables are affected.
The
T
window variables (
Tmin
,
Tmax
, and
Tstep
) are only
affected when you select
ZStandard
. The
VARS ZOOM
secondary menu
ZT/Z
q
items
1:ZTmin
,
2:ZTmax
, and
3:ZTstep
are the zoom memory variables for
Par
graphing.
CALC
operations in
Par
graphing work the same as in
Func
graphing. The
CALCULATE
menu items available in
Par
graphing are
1:value
,
2:dy/dx
,
3:dy/dt
, and
4:dx/dt
.
Moving the Trace
Cursor to Any
Valid T Value
ZOOM
CALC
