Smash the hash in a flash!

Replace legacy formulas with MAP, BYROW, BYCOL, SCAN, and REDUCE to build secure, scalable, and automated spreadsheets.

Daniel Jassy, CFA, is an Investopedia Academy instructor and the founder of SPYderCRusher Research. He contributes to Excel and Algorithmic Trading. CAGR measures an investment's average annual growth ...

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, ...

If Excel is not using threads efficiently, calculations may take a long time to complete. Learn how to speed up calculating threads in Excel.

Calculating sales tax on prices is something you don't have to worry about if you use Excel. You can add a formula to the spreadsheet you use for invoices, bills of sale or quotes, and that's the end ...

Learn how Vehicle‑to‑Home V2H charging and V2H bidirectional charging let drivers use an EV as home UPS for reliable EV battery home backup in 2026. Pixabay, AKrebs60 Vehicle‑to‑Home V2H charging is ...

Index funds track major financial indexes, enabling broad market investment without picking individual stocks. Investing in index funds involves choosing an index, selecting a low-cost fund, and ...

Amanda Smith is a freelance journalist and writer. She reports on culture, society, human interest and technology. Her stories hold a mirror to society, reflecting both its malaise and its beauty.

Alexa Plus has introduced AI-powered features that go beyond basic tasks like timers and music. Even if you prefer standard commands, the assistant has many capabilities on Echo speakers and phones ...

Cleanse every night to remove makeup, sunscreen, dirt, oil, and bacteria from pores. Micellar water or gentle double cleansing can help without stripping skin. Use a stand-alone sunscreen daily with ...