Sharp EL-509E - Entering and Correcting the Equation

– E-6 –
MEM RESET
0 1
*
5
¯x, sx, σ x, n, Σ x, Σ x
2
, ¯y, sy, σ y, Σ y, Σ y
2
, Σ xy, r, a, b, c.
*
6
All variables are cleared. See ‘About the Memory clear key’
for details.
*
7
This key combination functions the same as the RESET
switch. See ‘About the Memory clear key’ for details.
[About the Memory clear key]
Press @∏ to display the menu.
• To clear all variables (M, A-F, X, Y, ANS, STAT VAR),
press 00 or 0®.
• To RESET the calculator, press 10 or 1®.
The RESET operation will erase all data stored in memory,
and restore the calculator's default setting.
Entering and Correcting the Equation
[Cursor keys]
• Press < or > to move the cursor. You can also
return to the equation after getting an answer by pressing
> (<). See the next section for using the [ and
] keys.
• In the SET UP menu and other locations, use the < or
> key to move the flashing cursor, then press ®
(= key). If you need to scroll up/down the view, use the
[ or ] key.
[Insert mode and Overwrite mode in the Equation display]
• This calculator has two editing modes: insert mode (de-
fault), and overwrite mode. Pressing @‘ switches
between the two modes. A triangular cursor indicates that
an entry will be inserted at the cursor, while the rectangular
cursor indicates to overwrite preexisting data as you make
entries.
• To insert a number in the insert mode, move the cursor to
the place immediately after where you wish to insert, then
make a desired entry. In the overwrite mode, data under the
cursor will be overwritten by the number you enter.
• This mode setting will be retained until the next RESET
operation is executed.
[Deletion key]
•
To delete a number/function, move the cursor to the number/
function you wish to delete, then press d. If the cursor is
located at the right end of an equation, the d key will
function as a back space key.
509E_en0610.p65 04.6.10, 2:51 PM6