In this article, we look at some great resources that explain the maths concept of functions really well.

At the Build 2018 developer conference that's taking place these days in Seattle, USA, Microsoft announced support for custom JavaScript functions in Excel.

Revise determining composite and inverse functions for your Higher maths exam with Bitesize Scotland interactive practice quizzes covering feedback and common errors.

Marcus du Sautoy meets a detective who uses maths to help solve crimes. Relevant for teaching Maths at KS4 and GCSE in England, Wales and Northern Ireland and National 4/5 or Higher in Scotland.