restaurant bills 15%. we can save this value in the percent memory by entering 15 and pressing %in.
example: for a $22.20 bill, we enter 22.50 and press +% for a result of 25.53.
if we needed to split the bill 3 ways, just divide the result by 3, for a final result of $8.51 per person.
we can make quick work of a sale or discount by entering a negative number into the percent memory. we have a garage sale and want to discount everything by 33% during the last hour of the sale. type -33 and press %in to save this discount rate.
example: an item is prices at $200, so enter 