Texas Instruments TI-83 Plus Manual Book page 42

To store data:
1. Select
the solution to a column matrix, or
reduced row-echelon matrix. The
(or
STOx Mat =
2. Press
NAMES
Note You must select an unused matrix name. If all of the matrix
names are used, you must exit the application and delete a
matrix before you can store the new matrix.
3. Press
TI-83 Plus Polynomial Root Finder / Simultaneous Equation Solver Application
to store the augmented matrix,
STOsys
or
STORE RREF
, and then select a matrix name from the
menu.
to save the matrix.
STORE RREF
STOsys Mat =
) prompt is displayed.
to store
STOx
to store the
Page 42