Do you need to understand the various parts of a circle? Do you struggle to remember what a chord is or what a quadrant is? Do you need to know these things to pass your maths test? If so this App is for you. It explains from basic principles about PI, the radius, the circumference, and arc, a sector, a quadrant, chords, segments and other information about a circle. Each aspect has its own simple diagram to allow you to visualise what the text below is talking about.