quadratic equation

Producing electricity securely, safely, reliably and cheaply, has many challenges. Chris Budd explains that the answer to many of these issues is maths.
Producing electricity securely, safely, reliably and cheaply, has many challenges. Chris Budd explains that the answer to many of these issues is maths.

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

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