Two consecutive horizontal points are joined by a rounded curve. A single point is rounded off to avoid a pointed turn. To draw the graph ² y = x ²: ...

How to Make a Graph in Excel With Two Sets of Numbers. With features like auto-summing, chart making and the ability to track numbers from multiple lists, budgets or accounts, Microsoft Excel has ...

Revise how to work out the gradient of a straight line in maths and what formula to use to calculate the value change in this Bitesize guide.