Thermal expansion is a fractional change in size (volume) of a material in response to a change in temperature.

In a balanced and complete equation, you are given a lot of information. Apart from what the products are and what the reactants are...

A salary is a fixed annual amount paid to an employee. This amount is usually split up into monthly or fortnightly payments.

In this lesson, we will cover: what appreciation and depreciation are how to calculate and solve problems involving appreciation or...

The initial sum of money you invest would be called the principal (P). The money earned on top of the principal is called interest...

Sales Tax A sales tax is a consumption tax imposed by the government on the sale of goods and services. Some of you may be familiar with...

Consumer arithmetic is all about basic calculations made in day to day business transactions and budgeting.