If you've ever tried building a product catalog in Excel, you know the headache — images float over cells, they don't move ...

A mathematical function is a formula that takes an input, x, applies a set of calculations to it, and produces an output called y. By calculating a function at a large number of set intervals, it is ...

As I showed in my first Excel functions article, the serious meat in any spreadsheet is the formulas and functions that perform the calculations. Excel offers functions that you can use to make the ...

Interpolation is forecasting using existing data to predict future patterns and values. Being able to forecast helps every business leader make the right decisions when it comes to cutting costs, ...

While a database is generally the smart way to keep track of complex data, sometimes your needs are much simpler. In situations where your data is more like a list or table, Excel has an excellent ...