AI tools promise that anyone can build apps, so I put that claim to the test. After a few minor bumps, I built a custom ...

Neil Saunders, City St George's, University of London Here are the answers to the festive maths quiz I set on3. I hope you ...

Watch says you’re in the red but body feels fine? You’re not imagining it. Discover why 220 minus age fails women and how to ...

Weather forecasting is one of the most advanced sciences on Earth. But it’s also one of the most complex and humbling. Here's ...

Struggling with a problem that seems to require trigonometry? This lesson shows how to solve it without using trigonometry, ...

Discover how the equation of exchange links money supply, velocity of money, and price levels, influencing inflation and economic activity. Learn key formulas and impacts.

To do the method, begin by writing the two numbers you want to multiply at the top of two columns. In the left column, you progressively halve the number and take the integer floor of any “and a half” ...

Indian mathematician Srinivasa Ramanujan’s formula for Pi can help with calculating black holes, studying percolation, or ...

Since the launch of Gemini 3 Pro and Nano Banana Pro, Google looks to have limited what free users can access in response to high demand. When Gemini 3 Pro launched, free users (or those “without a ...

Just eight months after Gemini 2.5 launched, Google has upgraded its AI models once again with the release of Gemini 3. Gemini 3 officially began rolling out widely on November 18, and even this early ...

A frequently encountered category of analog system component is the precision current source. Many good designs are available, but concise and simple arithmetic for choosing the component values ...