Microsoft's spreadsheet program can do way more than you might imagine. These are the hacks and tricks you need to know.

Learn how GROUPBY passes both subset and full arrays into LAMBDA in Excel, letting you compute percent shares fast and explain results clearly.

ETFs let you invest in a diversified portfolio via a single transaction. ETF shares trade throughout the day on exchanges like stocks. ETFs generally incur lower costs and are suitable for long-term ...

Wanna see a trick? Give us any topic and we can tie it back to the economy. At Planet Money, we explore the forces that shape our lives and bring you along for the ride. Don't just understand the ...