Rounding a price to the nearest pound is the same as rounding a decimal to the closest whole number. If the price is £2.80 you can round up to £3 because the number in the tenths position is 8.
What is a decimal? Rounding decimal numbers The rule for rounding Video: How to round prices Rounding decimals to the nearest tenth Rounding is important because it makes numbers easier to manage ...
That’s call binary coded decimal or BCD and that has some advantages, too. It is pretty easy to do math on BCD numbers and you don’t get rounding problems. Some CPUs even have specific ...