Texas Instruments TI-89 Manual Book page 5

5. Enter the first coefficient and press ¸. The cursor returns
to the matrix and moves to the next column (right). You can
change the cursor to move to the next row (down) instead in
the
FORMATS
You can enter a real or complex value or an expression that
resolves to a real or complex value. You can also enter
symbolic data.
Loading existing data
You can load an existing matrix as all or part of the problem from
within Simultaneous Equation Solver by using either of the
following methods.
•
Press ƒ
•
Press „
4:Two Matrices A and b
TI-89 / TI-92 Plus / Voyage™ 200 PLT Simultaneous Equation Solver App
dialog box.
1:Load Augmented A|b
1:Augmented A|b
.
.
,
2:Coefficient A
,
3:Constant b
Page 5
, or