Concept

Website Link

 

Introduction to Vectors in the Plane
Good introductory site with an emphasis on components.  The site includes applets to manipulate the direction angle of a vector, to visualize decomposition of a vector into components, to compute the sum of two vectors given in polar form.
 

Vector_idmind

Introduction to Vectors in the Plane
Site contains clear illustrations of basic vector concepts including magnitude and direction, components, polar representation, addition.  Interactive calculator applets are included for each concept.
 

Vector_hyperphysics

Graphical Vector Addition
Site consists of applet that allows user to draw two vectors and find the sum geometrically.  Components, magnitudes, direction angles are computed.

Vector_frontiernet