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Sean Johnston

Send me an e-mail

Something about me.

Some links I like.


The Program of Mathematics Education

MacTutor History of Mathematics Site -- St. Andrew's University

Math Forum (alias Geometry Forum)

Furman University Mathematical Quotation Server

Project InterMath

Vi Hart

A tutorial for EMAT 6680

EMAT 6680 Write-ups

 Assignment 1:


Assignment 2:

Quadratic Forms

 Assignment 3:

Quadratics in the xb Plane

 Assignment 4:

The Incenter of a Triangle

 Assignment 5:

GSP Tools

 Assignment 6:

Viewing Fine Art

 Assignment 7:

Properties of Tangent Circles

 Assignment 8:

Ratios of Segments on the Orthocenter

 Assignment 9:

Degenerate Pedal Triangles

 Assignment 10:

Parametric Curves with Sines and Cosines

 Assignment 11:

Polar Functions

 Assignment 12:

Analyzing the Fibonacci Sequence


Final Assignment Part 1: The Bouncing Barney Problem

Final Assignment Part 2: The Circumcenter of a Triangle


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