Texas Instruments TI-86 - Manual (Page 378)

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.