## quadratic equation

How to derive the famous quadratic formula from pictures, just like the Babylonians did.

**Chris Sangwin**takes us through excerpts of Euler's algebra text book and finds that modern teaching could have something to learn from Euler's methods.

*Plus*, we heard how a simple mathematical equation became the subject of a debate in the UK parliament.

**Chris Budd**and

**Chris Sangwin**continue the story of the mighty quadratic equation.

**Chris Budd**and

**Chris Sangwin**tell us, in 2003 the good old quadratic equation, which we all learned about in school, reached these dizzy pinnacles of fame.

- The Smith report: Making mathematics count
- Quadratic equations in Parliament!
- New look for Nrich - Our sister site Nrich unveils its new site design.