Casio VL-80 Manual De Operación página 24

9.Calculator Function
When you set thé mode selector to CAL thé keyboard keys and
function keys become calculator keys. The numbers and marks
printed on thé keys indicate their functions.
• Set thé mode selector to CAL. Press thé "JÎ key. Make sure
that thé display shows "0".
Now you can begin to calculate.
• In thé following cases an "E" will appear on thé display to in-
dicate an error has been made. In this case no further calcula-
tions can be made.
1. A maximum of 8 digits can be used. If you try to insert a
number with more than 8 digits (i.e. a number greater than
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