Follow a step-by-step Excel tutorial to learn how to calculate percentages correctly and avoid common spreadsheet mistakes.

Learn how to effectively use the SCAN function in Excel to enhance your formula-building skills. This tutorial presents four ...

Lindsey Ellefson is Lifehacker’s Features Editor. She currently covers study and productivity hacks, as well as household and digital decluttering, and oversees the freelancers on the sex and ...

The original version of this story appeared in Quanta Magazine. In 1939, upon arriving late to his statistics course at UC Berkeley, George Dantzig—a first-year graduate student—copied two problems ...

Diarmuid took the Excel World Championship belt from three time winner Andrew Ngai Irishman Diarmuid Early emerged onto the HyperX arena in Las Vegas under the bright lights, dramatic music, and ...

The 2025 Microsoft Excel World Championship finals were held in Las Vegas on Dec. 2 and 3 Jordan Greene is Society and Culture writer-reporter at PEOPLE. She has been working at PEOPLE since 2023. Her ...

Lindsey Ellefson is Lifehacker’s Features Editor. She currently covers study and productivity hacks, as well as household and digital decluttering, and oversees the freelancers on the sex and ...

Have you ever found yourself sifting through endless rows of data, trying to confirm whether a specific item exists? It’s a tedious, error-prone process that can derail even the most organized ...

Dana Miranda is a Certified Educator in Personal Finance, creator of the Healthy Rich newsletter and author of You Don't Need a Budget: Stop Worrying about Debt, Spend without Shame, and Manage Money ...

The leading approach to the simplex method, a widely used technique for balancing complex logistical constraints, can’t get any better. In 1939, upon arriving late to his statistics course at the ...

Step inside Great Hearts Harveston on any given morning, and you’ll find classrooms humming with focus and energy. In one room, second graders practice phonograms, carefully forming letters while ...

Introduction: In unsupervised learning, data clustering is essential. However, many current algorithms have issues like early convergence, inadequate local search capabilities, and trouble processing ...