Casio D-20TER User Manual page 11

3. Input the conversion rate (1.95583) and then press e to
store it in memory.*
* For rates of 1 or greater, you can input up to six digits. For rates less than 1 you can input
up to 8, 10 or 12 digits, including 0 for the integer digit and leading zeros (though only six
significant digits, counted from the left and starting with the first non-zero digit, can be
specified).
Examples: 0.123456, 0.0123456, 0.0012345 (MS-88TER)
• You can check the currently set rate at any time by pressing A and then E.
• The rate is retained in memory even when calculator power is turned off by operation of
Auto Power Off.
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Euro RATE
1.95583