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quadratic equation

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Energetic maths: part ii

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

Producing electricity securely, safely, reliably and cheaply, has many challenges. Chris Budd explains that the answer to many of these issues is maths.
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A tale of two curricula: Euler's algebra text book

In the fourth and final part of our series celebrating 300 years since Leonhard Euler's birth, we let Euler speak for himself. 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.
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101 uses of a quadratic equation: Part II

In issue 29 of 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.

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Editorial

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

It isn't often that a mathematical equation makes the national press, far less popular radio, or most astonishingly of all, is the subject of a debate in the UK parliament. However, as 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.