Canon P20-DX, Руководство пользователя

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1. Key and Controls
Numeral Keys/Decimal Point Key:
For entering numbers.
Addition and Subtraction Keys
Subtotal Key:
For obtaining intermediate results of addition and subtraction
and the number of items (the number of times the “+” or “–“ keys have been
pressed).
Total Key:
For obtaining results of addition and subtraction and the number
of items (the number of times the “+” or “–“ keys have been pressed).
Multiplication and Division Keys
Equal Key:
For obtaining results of multiplication and division.
Clear Key:
For clearing all registered calculations except memory.
Clear Entry Key:
For correcting incorrect entries.
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