Olympia CPD 512 Mode D'emploi page 20

Key functions
[M−/C3]
[M+/€]
20
Memory Minus key
Subtracts an amount from memory. If there is a live calculation pending, the
Memory Minus key will complete the calculation and subtract the amount from
Memory.
C3 key
Currency 3 key. This key can be used to enter number to C3, and convert C3 to
Euro Currency, C1, or C2 currency.
If Home Currency (€ key), C1, or C2 is pressed in prior, it converts the display
number to C3 currency.
Memory Plus key
Adds an amount to memory. If there is a live calculation pending, the Memory
plus key will complete the calculation and accumulate the result to Memory.
€ key
Home currency key. This key can be used to enter number to Euro, and convert
Euro to C1, C2, or C3 currency.
If C1, C2, or C3 is pressed in prior, it converts the display number to Euro
currency.