Texas Instruments TI-89 Manual Book page 6

Editing coefficients
1. Move the cursor to a coefficient and press ¸. The cursor
moves to the entry line.
2. Edit the value and press ¸. The new value appears in
the matrix.
Clearing coefficients
Press ƒ
Starting a new problem
Press ƒ
TI-89 / TI-92 Plus / Voyage™ 200 PLT Simultaneous Equation Solver App
.
8:Clear All
3:New Problem
.
Page 6