Before businesses were lucky enough to be able to create sales forecasts in Excel, business owners had to enter numbers on columnar pads and add the figures with a calculator. If a single number ...

When you dive into Excel, you quickly realize the power it holds for data analysis and prediction. Two of the most potent tools at your disposal are the TREND and FORECAST functions. These functions ...

"Return on investment" is a financial calculation used to gauge how well the money you invest earns you even more money. To calculate ROI you divide the earnings you made from an investment by the ...

Daniel Jassy, CFA, is an Investopedia Academy instructor and the founder of SPYderCRusher Research. He contributes to Excel and Algorithmic Trading. David Kindness is a Certified Public Accountant ...