# Determine the Partial Sum of an Geometric Series Given in Sigma Notation

This video explains how to determine the sum of a finite geometric series given in sigma notation.

# Determine the Partial Sum of an Arithmetic Series Given in Sigma Notation

This video explains how to determine the sum of a finite arithmetic series given in sigma notation.

# Find a Partial Sum Using Summation Formula: Sum((2-3i)^2)

This video explains how to determine a partial sum given in sigma notation using summation formulas.

# Find a Partial Sum Using Summation Formula Sum(5i^3-2i)

This video explains how to determine a partial sum given in sigma notation using summation formulas.

# Find a Partial Sum Using Summation Formula: Sum(2i^2), Sum(4i^3)

This video explains how to determine a partial sum given in sigma notation using summation formulas.

# Find a Partial Sum Using Summation Formula: Sum (Constant), Sum(4i)

This video explains how to determine a partial sum given in sigma notation using summation formulas.

# Ex: Approximate the Area Under a Curve Using Rectangles (Left Using Graph)

This video explains how to use rectangles to approximate the area under a curve.  The left side approximation is used.  The function values must be estimated from the graph.