About The Display; Clearing Calculations; 1/ General Guide; 2/ Correcting Input Errors - Casio HL-820VER User Manual

1 / General Guide
k About the Display
: Negative value indicator
M : Independent memory indicator
E : Error indicator
K : Constant calculation indicator
2 / Correcting Input Errors
• To completely clear a value you have just input, press C (or / (HL-820VER)).
• If you press the wrong arithmetic operation key (+, -, *, /), simply press the correct
key before inputting anything else.
k Clearing Calculations
• To clear the calculator except for the independent memory, press A (or / twice
(HL-820VER)).
• To clear the independent memory only, press U twice.
Euro : Euro currency indicator
Local : Local currency indicator
RATE : Conversion rate indicator
: Arithmetic operation indicators