Texas Instruments TI-89 Manual Book page 8

Storing
Once you have entered the coefficients, you can store:
•
The augmented matrix (coefficients and the current right
side).
•
The coefficient matrix.
•
Constant vectors b
•
An individual element of a coefficient matrix or constant
vectors.
Once you have calculated the solution, you can also store:
•
The solution as a vector (an nx1 matrix).
•
An individual element of a solution.
•
The RREF matrix.
•
The residual vector, provided
to
YES
TI-89 / TI-92 Plus / Voyage™ 200 PLT Simultaneous Equation Solver App
. . . b
1
in the
FORMATS
.
5
Show Residuals
dialog box
.
has been set
Page 8