Texas Instruments TITANIUM TI-89 - Manual (Page 92)

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Basic Function Graphing III Basic Function Graphing III Basic Function Graphing III Basic Function Graphing III
Use the “Detect Discontinuities” graph format to eliminate faux asymptotes and
connections in a jump discontinuity.
Steps and keystrokes Display
1. Display the MODE dialog box. For Graph
mode, select FUNCTION . For Angle mode,
select RADIAN .
Press 3 B 1 D D D B 1 ¸
2. Open the Y= Editor and enter y1(x)=1/(x-
1).
Press 8 # 1 e c X | 1 d ¸
3. Display the Graph Formats dialog box
and set “Detect Discontinuities” to OFF
Note: The second item on the Graph
Format dialog is not greyed out, which
means it can be set to sequential “Seq” or
simultaneous “Simul”.
Press 8 Í D D D D D D B 1 ¸q