5. Canon AC Adapter AD-11
1) Use only the Canon AC Adapter AD-11 with the P20-DX.
2) Turn the Power Switch of the calculator OFF before
connecting or disconnecting the AC Adapter.
6. Overflow Interlock Function
"E" lights up on the display and a dash line is printed in the following overflow
1. When the result or the memory contents exceeds 10 digits to the left of the