Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Samantha (Sam) Silberstein, CFP®, CSLP®, EA, ...

I love it when an app developer takes one of my minor grumbles and comes up with a simple solution. PopCalc is one of those. There are times when I have a few sums to do, and the standard calculator ...

Daniel Jassy, CFA, is an Investopedia Academy instructor and the founder of SPYderCRusher Research. He contributes to Excel and Algorithmic Trading. Return on investment (ROI) measures the amount of ...

With spreadsheets, you store and analyze sets of data, which is key in many businesses. Spreadsheets offer a range of automated functions to perform calculations on data in addition to building graphs ...

The internal rate of return, or IRR, allows investors to analyze the profitability of investments and companies to analyze the profitability of capital outlays. The easiest way to understand IRR is by ...

One tiny symbol, but an absurd amount of spreadsheet drama.

Spreadsheets calculate, but they don’t govern. We built Budgyt as structured business budgeting software so finance teams can move from formula risk to controlled, auditable financial architecture.” — ...