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Secret function, Programming chapter 8 – Casio fx-7400G PLUS Programming User Manual

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Programming

Chapter 8

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

uu

u

uTo register a password

Example

To create a program file under the name AREA and protect it with
the password CASIO

1. While the program list is on the display, press 3 (NEW) and input the file name

of the new program file.

3(NEW)

AREA

2. Press 3 (Q) and then input the password.

3(Q)

CASIO

• 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.

Q

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