To calculate the Consumer Price Index between two years in Excel, take a sum of all the amounts spent on the basket of products over those two years. Then use the following formula to find the CPI ...

You can make a line graph in Excel in a matter of seconds using data already entered into the spreadsheet.

In this part you do not have to sketch the graph and you may even be given the sketch of the graph to start with. For a quadratic equation of the form \(y = k{(x - a)^2} + b\), the following diagram ...

Fortunately for Google, Graph Search isn't designed to take on web search. It's a personal, user-friendly and, we are told, 'privacy aware', way to answer queries and track people down more easily.

Practice how to recognise and determine the equation of a quadratic function from its graph ahead of your National 5 Maths exam with this interactive maths quiz. The equation of a a quadratic function ...