AI Copilot in Excel helps clean dates, split columns, and add currency formats, so you save time and make faster, clearer decisions.

Once data is loaded into Excel, Copilot allows users to ask questions in natural language instead of building new formulas.

Learn the NumPy trick for generating synthetic data that actually behaves like real data.

Learn to create a yield curve in Excel and understand its implications for interest rate forecasting. Follow our simple guide ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Gordon Scott has been an active investor and ...