How and when to use Excel's 10 rounding functions

- [Instructor] In Excel, there are 10 different functions…that relate to rounding capability.…By far, the most common is the Round Function.…It's got two companions, RoundUp and RoundDown,…and also an unusual function called MRound…that some people might need when rounding…to numbers that are not decimally oriented,…and it too, has some variations for moving up and down.…And the other four, which we'll see, are not so widely used.…Let's first talk about, what we've got going on in cell E2.…Here's a formula that's calculating a new price.…

All these prices in column D…are about to have a price increase, 4.36%,…and here's the formula setup in cell E2,…as I double click it, and it gives us an answer, $9.00.…What if somebody orders 10,000 of these?…Maybe this is office equipment, equal 10,000,…times this amount.…You know the answer ahead of time, it's 90,000,…but that's not the answer we're getting.…And who gets that or who doesn't get the $41.68…that's hanging out here, the difference?…That's a substantial difference over time, perhaps.…