Browsing: Math

When my first book Math with Bad Drawings came out, I kept having a strange experience. “Yes!” a stranger would…

Boris Alexeev, Evan Conway, Matthieu Rosenfeld, Andrew Sutherland, Markus Uhr, Kevin Ventullo, and I have uploaded to the arXiv a…

Percentage change is a fundamental concept in mathematics that quantifies how much a particular value has changed relative to its…

Translations of this post are available in simplified Chinese and Korean. We are excited to announce that Wolfram|Alpha is now…

Students in pyjamas, competing from home. Teachers asking, “How do we join next time?” Parents inquiring about subscriptions. Administration calling…

A Theory of Medicine? As it’s practiced today, medicine is almost always about particulars: “this has gone wrong; this is…

Subscribe to our YouTube channel for the latest videos, updates, and tips. Practice the questions given in the worksheet on percentage of…

Happy 2025! This is a special year, because — mathematically speaking — it is a year when you and I…

Almost 20 years ago, I wrote a textbook in real analysis called “Analysis I“. It was intended to complement the…

The greatest common factor (GCF) is the largest factor of two numbers. The interactive lesson below will help you explore…