Casio fx-9750G PLUS - Manual (Page 416)

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20-12 Text Display
You can include text in a program by simply enclosing it between double quotation
marks. Such text appears on the display during program execution, which means
you can add labels to input prompts and results.
Program Display
? → X ?
”X =” ? → X X = ?
• If the text is followed by a calculation formula, be sure to insert a display
command (^), a carridge return (_) or multi-statement command (:) between
the text and calculation.
• Inputting more than 21 characters causes the text to move down to the next
line. The screen scrolls automatically if the text causes the screen to become
full.