So you have a circle. What is the area of that circle? Surely everyone remembers that the area of a circle is: Where Pi (π) is of course the number and r is the radius of the circle. Where does this ...

The ability to round a number to a number of decimal places or to a number of significant figures is essential if answers are to be written to the correct degree of accuracy asked for in a question.

Forbes contributors publish independent expert analyses and insights. I write about mathematics and its applications The area and perimeter ratios are shown and as n ...

One useful feature of the Python math module is quick access to mathematical constants. You can make Python more effective as ...

The basic formula for calculating the area of a rectangle in Excel is length * height. Thus, the syntax of the formula for finding the area of a rectangle in Excel would become: You could use the Fill ...

One of the oldest calculus problems, finding the area of a circle, can be visualized using a pizza. By dividing it up into ever smaller slices and laying them out next to one another, eventually you ...

The number pi (π) appears in the most unlikely places. It can be found in circles, of course—as well as in pendulums, springs and river bends. This everyday number is linked to transcendental ...

Finding the area of a circle is easy with pizza and infinity. One of the oldest calculus problems, finding the area of a circle, can be visualized using a pizza. By dividing it up into ever smaller ...