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

IronCalc brings fast, Excel-compatible spreadsheets to your browser without locking you into Microsoft 365 or Google’s cloud.

Learn how to use the LAMBDA function in Excel to simplify complex formulas by creating custom functions for recurring ...

This holiday-themed brainteaser looks simple, but it's quietly tripping up adults everywhere I’ve been out of school for decades, and I don’t spend my days solving equations (I’m more of a word person ...

The number of Gen Z college freshmen who are entering universities without high school math skills is skyrocketing — as SAT scores are plummeting, a stunning new report has found. Even more shocking: ...

Life gets busy, and sometimes those basic math skills from school days get a little rusty. Whether you're budgeting, measuring for a DIY project, or just having a math-related brain teaser thrown your ...

Math scores in the US have been so bad for so long that teachers could be forgiven for trying anything to improve them. Unfortunately, many of the strategies they’re using could be making things worse ...

UC San Diego says it’s struggling to deal with a large and growing number of freshmen whose math skills are below middle-school level, leaving many unprepared to thrive at an institution famed for its ...

Q. How do the TEXTBEFORE and TEXTAFTER functions in Excel work? A. Excel’s TEXTBEFORE and TEXTAFTER functions allow users to quickly split up text in ways that used to require combinations of ...

U.S. employers and colleges are contending with more young people who are behind academically. Some are trying to make up where schools have failed. U.S. employers and colleges are contending with ...

The PMT function is an Excel Financial function that returns the periodic payment for an annuity. The formula for the PMT function is PMT(rate,nper,pv, [fv], [type]). The NPV function returns the net ...

A decade-long slide in high schoolers’ reading and math performance persisted during the COVID-19 pandemic, with 12th graders’ scores dropping to their lowest level in more than 20 years, according to ...