Revise other graphs for your maths GCSE foundation and higher exams with Bitesize interactive practice quizzes covering feedback and common errors.

We determine the connected graph of given order with maximum 𝑅𝐷𝐷*-value, and establish lower and upper bounds for 𝑅𝐷𝐷*. Also a Nordhaus–Gaddum–type relation for 𝑅𝐷𝐷* is obtained. The journal ...

Enter the BBC Radio 4 podcast Uncharted, here to show you how numbers, graphs, maths and data plotting can be pivotal, the secret sauce behind some of the biggest scandals, historical watersheds ...