Appendix B: Reference Information 541
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Appendix B:
Reference Information
TI-89 / TI-92 Plus Error Messages....................................................... 542
Modes.......................................................................................................550
TI-89 / TI-92 Plus Character Codes..................................................... 555
TI-89 Key Codes..................................................................................... 556
TI-92 Plus Key Codes.............................................................................559
Entering Complex Numbers................................................................. 563
Accuracy Information............................................................................566
System Variables and Reserved Names.............................................. 567
EOS (Equation Operating System) Hierarchy....................................568
Regression Formulas............................................................................. 570
Contour Levels and Implicit Plot Algorithm.......................................572
Runge-Kutta Method.............................................................................. 573
This appendix contains a comprehensive list of TI-89 / TI-92 Plus
error messages and character codes. It also includes information
about how certain TI-89 / TI-92 Plus operations are calculated.
For additional information, refer to Appendix C. For example, if
you have difficulty operating the TI-89 / TI-92 Plus, Appendix C
contains an “In Case of Difficulty” section that gives suggestions
that may help you correct the problem.
B