# Write a Given Finite Geometric Series Using Sigma (Summation) Notation

This video explains how to write a given geometric series using sigma notation. The sum is then found.

# Write a Given Finite Arithmetic Series Using Sigma (Summation) Notation (d<0)

This video explains how to write a given arithmetic series using sigma notation. The sum is then found.

# Write a Given Finite Arithmetic Series Using Sigma (Summation) Notation (d>0)

This video explains how to write a given arithmetic series using sigma notation. The sum is then found.

# Determine the Divergence of a 2D Vector Field (Trig)

This video explains how to determine the divergence of a two dimensional vector field.

# Determine the Divergence of a 2D Vector Field (Basic)

This video explains how to determine the divergence of a two dimensional vector field.

# Determine the Critical Points of a Function of Two Variables (Basic)

This video explains how to determine the critical points of a function of two variables.

# Ex: Find a Partial Sum of a Alternating Series (Method #1)

This video explains how to determine a partial sum of an alternating series.