For decades, Excel worked on a simple principle: you enter a formula into one cell, and it returns a single result into that ...

Discover how the Luhn Algorithm verifies credit card accuracy, supports secure transactions, and helps prevent errors in inputting Social Security numbers.

Discover how Excel's Goal Seek reverses calculations to find input values from known outcomes and enhances your data analysis skills.

When you’re filling in a Microsoft Excel spreadsheet, the idea of an international competition testing those skills is probably far from your mind. Yet Excel ha ...

GPT-5.2 tops Mensa Norway practice puzzles; tracking dashboards show gains, and XOR-style visual logic explains wins.

I've found something you need to see. We've covered the Excel World Championship before, highlighting its excellent theme song, which starts off with the immortal line: "It's the Excel World ...

But this year, the organisers have upped the ante. While the championship has experimented with wrestler-style intros before, in which competitors run down a tunnel to a smattering of muted applause ...

MIT spinout OpenAGI claims its Lux AI agent scores 83.6% on a rigorous computer-use benchmark where OpenAI's Operator hits 61.3% — at one-tenth the cost.

Getting paid on time starts with proper invoicing. For businesses, particularly startups operating on tight margins, invoices serve as the financial bridge between completed work and incoming cash. A ...

You can start solving the Keypad puzzle in Black Ops 7 first by hacking the terminal located in the room opposite the Keypad area. This involves a simple puzzle where you have to connect the power by ...