Interpolation is forecasting using ... Many business leaders are interested in the Excel "forward" function to calculate a present or future value factor. This uses linear data estimations.

The breakpoint is the lower value of the range that entitles a customer ... You can create a calculator with Excel which will quickly return the cost of an order based on the number of units ...

Enter their closing share prices at whatever intervals you see fit -- daily, weekly, or monthly are common picks -- and then calculate ... from Excel. Pick one column to be the Y range and the ...