I help people communicate data clearly with graphs. I recently saw the infographic ... exceptions exist for many graphical principles. There are examples where circles are an excellent choice ...

Apple improved the Math Notes feature in iOS 26 and iPadOS 26, allowing users to input equations to create graphs in three ...

Functions with Corners 2.1 Some examples of graphs with corners which I talked about in lecture ... Just change the function and the initial value and compute away! Circle, Ellipses and Lissajous ...

Excel displays percentages of a whole using pie charts, also known as wedge charts of circle graphs ... Yet such graphs do effectively show simple breakdowns. For example, a presentation's ...

Save guides, add subjects and pick up where you left off with your BBC account. To find the equation of a circle when you know the radius and centre, use the formula \({(x - a)^2} + {(y - b)^2} ...

You may be asked to show that two circles are touching, and say whether they're touching internally or externally. To do this, you need to work out the radius and the centre of each circle.