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Sheila Crabtree

Send me an e-mail

Something about me


Some links I like.


Planet Math

Math Forum (alias Geometry Forum)

The History of Mathematics

A Study of Thomas Jefferson's Mathematics Experience

Investigation of Absolute Value

Exploration of Parabola

 Investigations of Quadratic Equations

 Centers of a Triangle

 GSP Script Tools

 Triangle Exploration in GSP

 Tangent Circles

Altitudes & Orthocenters

Pedal Triangles

 Parametric Curves

 Polar Equations

 Investigations with Spreadsheets




More Triangle Investigations

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