This resource contains both general and detailed information about the complex plane.

Students learn about polar and cartesian coordinates. The tutorial consists of notes and examples.

This site explains how to find the vector equation of a plane given either the normal vector and a point in the plane or three distinct points in the plane.

Contains both general and detailed information about the complex plane.

This lesson introduces the learner to coordinate axes and explains how they can be used with reference frames. It is 3 of 3 in the series titled "Coordinate Axes & Reference Frames."

This lesson demonstrates how an object can be rotated in space and on a coordinate plane about different points. It is 2 of 5 in the series titled "Rotating On a Coordinate Plane."

This site is a personal site that contains brief but good information on the polar coordinate system. Contains links to additional information, along with several formulas and charts.

Color photographs of men and women working in factories building planes and readying materiel for use in World War II. Captions explain the context of the photographs and the sources.

The plane crash that killed Poland's President Lech Kaczynski, his wife, and many government and military officials.

Follow the directions at this one page website. You will get lots of practice plotting points on the coordinate grid and experience with transformational geometry.

View video footage from the scene of the plane accident that claimed the life of Polish President Lech Kaczynski, the first lady and key figures in the Polish Government. Was it pilot error, or that the Soviet-designed plane was more...

An interactive Java applet from the University of Utah that allows users to investigate the effect of the coefficient of friction on the motion of a block sliding down an incline. Initial height of the block and the friction coefficient...

An explanation of the events which occurred and attitudes which prevailed during the Cuban Missile Crisis of October, 1962.

A contour map of the boundaries of the Great Plains and Lewis front ranges of western Montana, showing the abrupt change in the topography. The heavy black line indicates the outcrop of the Lewis thrust plane.

A picture of Picasso's Man with Hat and a Violin. This is an example of Synthetic Cubism, a style characterized by large superimposed planes and clear geometric structure.

Gives a brief history and lists the parametric cartesian equations.

This site, which is provided for by the University of St. Andrews, gives a brief history of the cardioid. Shows parametric and cartesian equations.

This site has many useful formulas and examples relating to circles, including related definitions, circumference of a circle, area of a circle, length of a circular arc, area of a circular sector, equation of a circle in cartesian...

This site is from the Math department of the Texas A&M University and contains wonderful information on Centers of mass and moments of inertia. Pictures, charts, graphs along with great text is all included.

Website that chronicles the story of the search for remains of Bomber 31 that went down in Kamchatka during World War II. There is also a slide show and descriptions of several World War II bombers.

The University of St. Andrews offers a comprehensive and detailed site explaining the ellipse.

This site defines transformation and lists several different examples of transformations. Be sure to follow the links to related terms, everyday examples, challenging problems, more information, and the interactive check point involving...

This excellent lesson offers a thorough definition, description, and then step-by-step analysis of ellipses. Includes a focus upon the vertical and horizontal, major and minor axes, transllations of ellipses and more.

Diagrams and discussion of the "collection of 1-dimensional records" that make up a CAT scan.