Sharp EL-5250 User Manual

The OPTION menu controls display contrast, memory checking and deletion
of data.

Press @ o (S key) to show the
OPTION menu.

• Press  j to return to the mode in which

you were working previously.

Press 0 in the OPTION menu to show the
LCD CONTRAST display.

• Press + to darken the display and

- to lighten it.

• It is possible to lighten the display so much

that the calculator appears to be off. If the display remains blank when
you press X, press @ o 0 and then press +
repeatedly to darken the display.

Press 1 in the OPTION menu to show the
MEMORY CHECK display.

• The amount of free memory in bytes is

shown on the first line. When the
calculator is used for the first time, the
following amount of memory is available.

[EL-5250] 4,096 bytes

[EL-5230] 1,280 bytes

• The figures after EQTN are the numbers of equations (Filing equations

functions) in the NORMAL mode.

• The figures after PROG are the numbers of programs stored in the

PROG mode.

For a detailed description of how memory is used, refer to ‘Memory usage’.
(See page 126.)

 624BYTES FREE
 EQTN: 15
 PROG: 09

 LCD CONTRAST
  [+]    [-]  
 DARK® ¬LIGHT 

   <OPTION>
ƒCTRST  ⁄M.CHK
¤DELETE