Instant-Dict MD8290 User Manual page 143

CHAPTER 6 TOOLS
Press (i.e. "M+") to store the value
to the memory.
Press (i.e. "M-") to deduct the
value stored in the memory.
Press (i.e. "MR") to retrieve the
value stored in the memory.
Press (i.e. "MC") to clear the
value saved in the memory.
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