HP-28S Beeper



#4

Does anyone know how to turn the "Beep" off on the HP28-S? I have long ago lost my instruction manual. I have my PE exam in a couple of weeks and they will not allow my calculator beeping every time I enter something incorrectly. Thanks in Advance


#5

Set FLAG 51 to quite the beeper.

Regards

JR


#6

Much Appreciated!!


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