Calculator User Manual

366
Chapter 20: A to Z Function and Instruction Reference
20ATOZ.DOC TI-86, Chap 20, US English Bob Fedorisko Revised: 02/13/01 2:42 PM Printed: 02/13/01 3:05 PM Page 366 of 118
TanLn(
GRAPH DRAW menu
TanLn(
expression
,
xValue
)
Draws
expression
on the current graph and then draws
a tangent line at
xValue
.
In
Func
graphing mode and
Radian
angle
mode:
ZTrig:TanLn(cos x,
p
/4)
b
Text(
† GRAPH DRAW menu
Text(
row
,
column
,
string
)
Writes a text
string
on the current graph beginning at
pixel (
row
,
column
), where 0
 row 
57 and
0
 column 
123.
Text at the bottom of the graph may be covered by a
displayed menu. To remove the menu, press :.
Program segment in
Func
graphing mode and
a
ZStd
graph screen:
©
:y1=x sin x
:Text(0,70,"y1=x sin x")
©
When executed:
Then
‡ program editor
CTL menu
Refer to syntax information for
If
, beginning on page 305. See
the
If:Then:End
and
If:Then:Else:End
syntax.