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 ...

Laurel Blackburn, a math coach for the district, was named Lee County’s 2026 Teacher of the Year. Blackburn supports teachers and students across 22 schools in the West region to improve math ...

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 ...

For the past several years, America has been using its young people as lab rats in a sweeping, if not exactly thought-out, education experiment. Schools across the country have been lowering standards ...

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 ...

The University of California at San Diego reported that students with below middle-school level math skills increased by "nearly thirtyfold" from 2020 to 2025. NuPenDekDee - stock.adobe.com What ...

It contains a full BASIC implementation with support for floating-point arithmetic, string and array handling, math functions, input and output, and efficient memory usage for 8-bit systems. The code ...

TL;DR: Microsoft is launching Copilot AI for Excel, a new feature that uses advanced language models to help users analyze data, summarize information, and generate ideas directly in their ...

The original version of this story appeared in Quanta Magazine. At the turn of the 20th century, the renowned mathematician David Hilbert had a grand ambition to bring a more rigorous, mathematical ...

After finding the homeschooling life confining, the teen petitioned her way into a graduate class at Berkeley, where she ended up disproving a 40-year-old conjecture. It’s not that anyone ever said ...