Casio FX-890P - C Mode; CASL Mode; Assembler Mode

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2.4 C Mode
The C mode is used for the creation, execution and editing of C programs. The C
mode can be entered from another mode by pressing MENU 3 .
EXAMPLE:
Create and execute a program that prints HELLO.
PROGRAM INPUT
MENU 32
< C >
F 0 1 2 3 4 5 6 7 8 9 51113B
F0>Run/Load/Source
You can use the   cursor keys to select the program area 0 - 9
Press R (Run) to run the C program
Press L (Load) to load the C program for the interpreter
Press S (Source) to edit the C source code.
S.
O
M A I N ( ) Shift {  .
SPC P R I N T F ( “ CAPS H E L L O Shift ¥ CAPS N ” ).
.;. . .
Shift } . .
main(){↵
printf(“HELLO¥n”);↵
}
Shift SUB MENU L.
Load F0
>
R U N . .
>run
HELLO
>
2.5 CASL Mode
The CASL mode is used for the creation, execution and editing of the assembler
language dedicated to the virtual machine COMET widely used in Japan to teach
computer science. The CASL mode can be entered from another mode by pressing
MENU 4..
2.6 Assembler Mode