Paul Dawkins
Paul's Online Notes: Calculus I: Summation Notation
The tutorial reviews summation notation. Topics discussed are the properties and formulas for summation notation. Class notes, definitions, and examples with detailed solutions are included. The notes are available in pdf format.
Missouri State University
Missouri State University: Introductory Statistics: Summation Notation
Provides a complete look at the mathematical summation sign. Examples of how to interpret and use the sign are presented as needed.
University of California
Uc Davis: The Algebra of Sigma (Summation) Notation
This page introduces the use of the sigma, or summation, sign. Also provides the properties of summation and gives answers to fourteen good learning exercises.
Wolfram Research
Wolfram Math World: Sum
This page gives a complete discussion of the advanced applications of the summation operation in mathematics. Provides information about sigma, or summation notation, a manner of writing sums and how to manipulate them. The site also...
Texas A&M University
Wtamu Virtual Math Lab: College Algebra: Series
Using this tutorial, you'll learn to complete many tasks associated with summation, series, and sequences. Offers definitions and examples of summation notation, series, finite series, and infinite series, as well as several sample...
Other
The Sigma Notation for Summation of Series
Conprehensive site explaining sigma notation. Site has many formulas and a few examples
Purple Math
Purplemath: Sequences and Series: Terminology and Notation
Explains the basic terminology and notation of sequences and series, including summation symbols, subscripts, and indices.
Wolfram Research
Wolfram Math World: Triangle Inequality
This MathWorld site gives a good explanation of triangle inequality. The reader should be familiar with summation notation.
Mathematics Archives
Math Archives: Summations
University of Tennessee provides this tutorial site explaining summations and how to evaluate them on a TI(85-86) calculator.
Richland Community College
Richland Community College: Math 116 Lecture Notes
This site from the Richland Community College provides the detailed lecture notes to a college algebra course, complete with equations and definitions. Content ranges from "functions and their graphs" to "conics and parametric equations."
Math2
Math2: Series Properties
This site contains the definition of summation, the notation for summation, and operations involving summation. Some of the operations explained include algebraically separating a summation into two separate summations and changing the...
University of California
University of California, Davis: The Calculus Page
This site, from the University of California, provides several problems from beginning differential calculus, as well as beginning integral calculus. The problems can be accessed by clicking on the link, and the information provided is...