User manual - fx-CG10_20_Soft

8-4

u When you are inputting a program —— 2(BASE)

* Programs input after pressing 2(BASE) are indicated by

to the right of the file name.

• {TOP}/{BOTTOM}/{SEARCH}

• { MENU }

• { d~o } ... {decimal}/{hexadecimal}/{binary}/{octal} value input

• { LOGIC } ... {bitwise operator}

• { DISPLAY } ... conversion of displayed value to {decimal}/{hexadecimal}/{binary}/{octal}

• {A⇔a}/{SYMBOL}

• Pressing !J(PRGM) displays the following program (PRGM) menu.

• { Prog } ... {program recall}

• { JUMP } / { ? } / { ^}

• { RELATNL } ... {conditional jump relational operator menu}

• { : } ... {multi-statement command}

• Pressing !m(SET UP) displays the mode command menu shown below.

• {Dec}/{Hex}/{Bin}/{Oct}

• Pressing !f(FORMAT) displays the color command menu. For details, see “Using Color

Commands in a Program” (page 8-28).

3. Editing Program Contents

k Debugging a Program

A problem in a program that keeps the program from running correctly is called a “ bug”,

and the process of eliminating such problems is called “ debugging”. Either of the following

symptoms indicates that your program contains bugs that require debugging.

• Error messages appearing when the program is run

• Results that are not within your expectations

u To eliminate bugs that cause error messages

An error message, like the one shown to the right, appears

whenever something illegal occurs during program execution.

When such a message appears, press J to display the place in the program where the

error was caused. The cursor will be flashing at the location of the problem. Check the “Error

Message Table” (page

-1) for steps you should take to correct the situation.