# Operations on Numbers - Part 3

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Lesson Summary:

In this lesson, we learn about the typical operations done on numbers, including absolute value, opposites, addition, subtraction, multiplication, division, and simple exponents. The Order of Operations is covered in detail, with grouping symbols being evaluated first, followed by exponents, multiplication/division from left to right, and finally addition/subtraction from left to right. The acronym PEMDAS is used to remember the order of operations, which stands for parentheses, exponents, multiplication, division, addition, and subtraction. The lesson also explains how to use a graphing calculator to help perform these operations.

Lesson Description:

This lesson consists of providing you with a Self-Tutorial on the typical operations done on numbers. These include: absolute value, opposites, addition, subtraction, multiplication, division and simple exponents. Order of Operations is covered in detail. I also explain how to use your graphing calculator to help you perform all these operations.