Cody Cottier is a freelance journalist for Discover Magazine, who frequently covers new scientific studies about animal behavior, human evolution, consciousness, astrophysics, and the environment.

The volume of a cylinder is the area of the cross-section multiplied by the height. D button is used to convert a value in terms of π to a decimal value. To calculate the surface area of a cylinder: ...

Learn about perimeters and how to calculate the perimeter of a simple shape with this BBC Bitesize Maths article. For students between the ages of 11 and 14. Area of squares, rectangles and compound ...