This video explains how to multiply numbers in Excel using the correct formulas and methods for accurate calculations. It ...

A common source of errors in Excel is "the gap"—a situation where you add new data to the bottom of a list, but your formulas ...

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

Learn the difference between Excel COUNT and COUNTA, plus TEXTBEFORE and TEXTAFTER tricks, so you clean text and totals with ...

Learn about gross, operating, and net profit margins, how each is calculated, and how businesses and investors can use them ...

Learn how financial modeling projects future performance and supports strategic planning with essential components like ...

Learn how to invest in stocks, including how to select a brokerage account and research stock market investments. Many, or all, of the products featured on this page are from our advertising partners ...

Half advice show. Half survival guide. Half absurdity-fest. (Wait, how does this work again? We're not numbers people.) Each episode, we answer all your burning questions, from how to survive a public ...

Start investing with as little as $100; consistent contributions grow wealth over time. Long-term investments beat short-term trading for reliable returns; avoid frequent buying and selling. Determine ...

This mom didn’t know how to respond to attacks from a client’s wife on her decision to work outside the home. Carolyn Hax writes a daily advice column for The Post and has a weekly live online ...

With a net worth pegged at $676 billion as of Dec. 16, 2025, per Forbes, Tesla CEO Elon Musk is far-and-away the richest man on Earth — the next closest competitor being Larry page, co-founder and ...