Secret Function - Casio FX-7400G PLUS User Manual

5. Secret Function

When inputting a program, you can protect it with a password that limits access to
the program contents to those who know the password. Password protected pro-
grams can be executed by anyone without inputting the password.
u u u u u To register a password
Example
1. While the program list is on the display, press 3 (NEW) and input the file name
of the new program file.
2. Press 3 (Q) and then input the password.
P.127
• The password input procedure is identical to that used for file name input.
3. Press w to register the file name and password. Now you can input the contents
of the program file.
• Registration of a password uses 16 bytes of memory.
• Pressing w without inputting a password registers the file name only, without a
password.
4. After inputting the program, press Q to exit the program file and return to the
program list. Files that are password protected are indicated by an asterisk to the
right of the file name.
To create a program file under the name AREA and protect it with
the password CASIO
3(NEW)
AREA
3(Q)
CASIO
Q
Programming
1 2 3
Chapter 8
3 5 6
133