Texas Instruments TI-73 Software Manual page 19

Typing a Matrix Directly from the Keyboard
On the
Matrix Home
element
[ [
Use [ (press &) to
begin the matrix.
Any expressions are evaluated when you press b. For
example:
To store a matrix directly to a matrix variable, use X. For
example:
Matrices for the TI-73
screen, use the syntax:
... element
, ,
1,1 1,n
Use [ ] to enclose the elements for each
row. Use commas to separate the
elements. An element can be an
expression.
Note: At the start, [ [ begins the matrix
and then begins the first row.
... element
], ,[
m,1
The commas that you
must enter to separate
elements are not
displayed on output.
Select the matrix from the
Matrix NAME menu or type it
directly. Press & and '
to type [ and ].
... element
, , ] ]
m,n
Use ] (press ') to
end the matrix.
Note: The closing ] ] are
not necessary at the end of
an expression or preceding
Ü
(X).
Page 19