6-10 Sequence Graphing
8306SEQN.DOC TI-83 international English Bob Fedorisko Revised: 02/19/01 12:22 PM Printed: 02/19/01 1:36
PM Page 10 of 16
ZOOM
operations in
Seq
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.
PlotStart
,
PlotStep
,
nMin
, and
nMax
are only affected when
you select
ZStandard
. The
VARS Zoom
secondary menu
ZU
items
1
through
7
are the
ZOOM MEMORY
variables for
Seq
graphing.
The only
CALC
operation available in
Seq
graphing is
value
.
•
When
Time
axes format is selected,
value
displays
Y
(the
u(
n)
value) for a specified
n
value.
•
When
Web
axes format is selected,
value
draws the web
and displays
Y
(the
u(
n)
value) for a specified
n
value.
•
When
uv
,
vw
, or
uw
axes format is selected,
value
displays
X
and
Y
according to the axes format setting.
For example, for
uv
axes format,
X
represents
u(
n)
and
Y
represents
v(
n)
.
To enter the sequence names
u
,
v,
or
w
, press
y
[
u
], [
v
], or
[
w
]. You can evaluate these names in any of three ways.
•
Calculate the
n
th value in a sequence.
•
Calculate a list of values in a sequence.
•
Generate a sequence with
u(
nstart
,
nstop
[,
nstep
])
.
nstep
is optional; default is 1.
ZOOM
CALC
Evaluating u, v,
and w