Excel and Google Sheets have three functions to calculate the internal rate of return: IRR, XIRR, and MIRR. Learn how these functions can calculate investment returns.

A new mathematical brain teaser asks people to make the equation true by moving two matchsticks in under 10 seconds. The puzzle will determine if you are in the top two percent.

Share or comment on this article: Easy-looking math equation mystifies people as they forget 'special rule' - can you solve it in 30 seconds?

Cosmologists simply cannot solve Einstein's equations in such extreme environments-their normal simplifying assumptions no longer hold.

Learn and revise how to solve quadratic equations by factorising, completing the square and using the quadratic formula with Bitesize GCSE Maths Edexcel.

Conclusions The current library preparation methods for next-generation sequencing are time-consuming and prone to considerable sample loss. Even before library preparation, the recovered DNA must ...

Learn and revise how to plot coordinates and create straight line graphs to show the relationship between two variables with GCSE Bitesize Edexcel Maths.