Sharp EL-5160S, Operation Manual

Page: 165 / 188

E-54
1. Press
N 2
to bring up the matrix entry screen.
• Any matrix data remaining in the buffer, along
with any previously entered, loaded, or calculated
matrix data, will be displayed.
2. Defi ne the matrix dimensions (up to four rows by four
columns) by entering the required dimensions using
the number keys and pressing
e
.
Matrix dimensions
(row
×
column)
Element fi elds
Entry fi eld
Matrix entry screen (example)
3. Enter each element in the matrix by entering a value
in the entry fi eld and pressing
e
.
• Each matrix element can display up to seven
digits (the decimal point counts as one digit). If an
element exceeds seven digits in length, it may be
displayed in exponent notation within the matrix.
• A maximum of three rows by three columns can
be displayed at one time. Use
u
,
d
,
l
,
and
r
to move the cursor through the matrix.
4. When you have entered a value for each element,
press
j
to exit the matrix entry screen.
5. Press
N 4
and select a memory
(matA–matD) to store the newly-created matrix in.
Modifying a stored matrix
1. To load a stored matrix into the matrix entry
screen, press
N 3
, then select the memory
(matA–matD) that holds the matrix you wish to modify.
• Loading new data into the screen will automatically
replace any data that may already exist there.
2. Using the matrix entry screen, you can modify the
values of elements in the matrix. Assign new values
wherever necessary and press
e
after each one.
• If you wish to modify the number of rows or
columns, fi rst press
j N 2
. You can
then enter new values for the matrix dimensions.
3. When you have fi nished making changes, press
j
to exit the matrix entry screen.
4. Press
N 4
and select a memory
(matA–matD) to store the newly-created matrix in.