Create Excel pivot tables from multiple tables with the Data Model. Fewer formulas, smaller files, faster analysis. Clean ...

Learn a nifty Excel trick to quickly calculate how many weekdays are in each month. Perfect for scheduling, planning, and ...

For years, a French mathematician searched for a proof that a gigantic number is prime. His method is still used 150 years ...

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Microsoft Excel uses double quotation marks to signify text within formulas. When it sees these marks, it uses the text and discards the quotes. Typing quotation marks directly into a cell is not an ...

Learn how DROP, REDUCE, LAMBDA, and STACK make Excel arrays update automatically, split text, and stack filtered results ...

This inflation calculator uses the change in the Consumer Price Index (CPI) from 1913 to 2025 to estimate the U.S. dollar's buying power and future value.

REDUCE allows you to iterate through your data, building your result step-by-step, in the same way a loop operates in a programming language. Instead of scattering your intermediate calculations ...

Tobi is a crypto writer at Investopedia. He aims to simplify the complex concepts of blockchain and cryptocurrencies for the masses. Stella Osoba is the Senior Editor of trading and investing at ...