Texas Instruments TI-89 Manual Book page 28

Page Reference
This PDF document contains electronic bookmarks for on-screen
navigation. If you print this document, use the page numbers
below to find specific topics.
Important Information............................................................................................ 2
What Is Simultaneous Equation Solver? .............................................................. 3
Entering Data........................................................................................................ 4
Solving .................................................................................................................. 7
Storing .................................................................................................................. 8
Navigating Within Simultaneous Equation ......................................................... 10
FORMATS Dialog Box........................................................................................ 12
Example — Three Equations, Three Unknowns ................................................ 14
Example — Undefined Variable ......................................................................... 15
Example — Overdetermined Matrix ................................................................... 17
Example — Underdetermined Matrix ................................................................. 19
Errors, Error Messages, and Restrictions........................................................... 21
Installing Simultaneous Equation Solver ............................................................ 23
Starting and Quitting the Application .................................................................. 24
Deleting an Application ....................................................................................... 25
Texas Instruments (TI) Support and Service Information................................... 26
TEXAS INSTRUMENTS LICENSE AGREEMENT ............................................ 27
TI-89 / TI-92 Plus / Voyage™ 200 PLT Simultaneous Equation Solver App Page 28