Casio fx-7400G Manual De Usuario

commands that are used almost exclusively for programming. These are accessed by

first accessing 

 (

 

). The inside back cover of the User's Guide shows where

all programming commands are, while Chapter 8 describes in detail how each

command works. When you have finished entering the program into the calculator,

press 

 to return to the programming list menu.

Test the program to make sure there are no typing errors. If possible, you should

check that your program works by using some data for which you already know the

answer, before you place any confidence in the program.

Running a program

To run (i.e. to operate) a program, press 

   to enter Program mode, use the 

 and

 keys to highlight the program name in the list, and then press 

 ( ) or just the

blue 

 key.

After each input number, you need to press E E to continue running the program.

You also need to press 

 after a display pause on the screen (shown with the word

)

If a program doesn't work, check your typing in Edit mode. (See the next section.)

To stop a programfrom running, while it is running, press the 

 key. The word

'Break' will appear on the screen . Press 

 again to clear the screen and return to

 mode. If you press 

 instead of 

, the program will start again.

You can't stop a program while it is waiting for an input (showing a 

?

 on the screen).

Input a number and then press 

.

Editing a program

To edit a program means to correct errors that you have noticed or to change the

program in some other way. Go to the program list, select the program name and then

press 

 ( ).

You can move around with all four cursor keys (

) and move straight to the

beginning or end of a program with 

 ( ) and 

 ( ) respectively.

Both the 

 and 

 (

 

) keys will be useful for editing too.

When you have finished making changes, press 

 to return to the program list.