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32. [M- / Interest] Memory Minus key / Interest
M-:
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.
Interest:
This key will enter the 10-key input value as Loan Interest. Loan
Interest must be entered in order to do any financial calculation.
Therefore, this key will only be able to use for recall Loan Interest, or
enter the 10-key value.
33. [M+ / Months] Memory Plus key / Months
M+:
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.
Months:
If this key is pressed after 10-key input, it is means enter the value as
Number of Months to settle the Loan. If Amount, Interest, and Payment
are entered in prior, or modification is done on any of the three as
above in prior, user can calculate / recalculate the Number of Months
to clear the Loan by press this key.
34. [MS / Payment] Memory Subtotal key / Payment
MS:
Prints but do not clear the memory.
Payment:
If this key is pressed after 10-key input, it is means enter the value as
Payment. If Amount, Interest, and Months are entered in prior, or
modification is done on any of the three as above in prior, user can
calculate / recalculate the Payment by press this key.
