Application of formula here is highly important to learn how to calculate the percentage of marks. This formula does not require pen and paper as other formulas do. Percentage Calculation A percentage ...

There are two basic ways to do fractions on your iPhone calculator. Here's what you need to know to use the built-in app.

To write one number as a percentage of another, divide the first number by the second number to make a fraction, then multiply by 100.

A fraction is part of a whole. When you find a fraction of an amount, you work out how much that part is worth, compared to the whole. Here is a quarter written as a fraction. The numerator is 1 and ...