1. Pamela Leutwyler

2. Summation notation is an efficient way to describe a SUM of terms, each having the same format. Consider the example: Each term has the form

3. Summation notation is an efficient way to describe a SUM of terms, each having the same format. Consider the example: Take the sum of all terms of this form

4. Summation notation is an efficient way to describe a SUM of terms, each having the same format. Consider the example: k starts at 1

5. Summation notation is an efficient way to describe a SUM of terms, each having the same format. Consider the example: k ends at 8

6. Summation notation is an efficient way to describe a SUM of terms, each having the same format. Consider the example: =

7. More examples: