Graphs are also a vital part of our online lives, powering everything from social media sites – including Twitter and Facebook – as well as the recommendation functions within retailers such ...

Revise how to plot a linear equation graph. Learn how to read x and y coordinates from a graph in this BBC Bitesize maths KS3 guide.

Enterprise software maker Linear has raised an $82 million Series C funding round valuing the startup at $1.25 billion, the company said on Tuesday.