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The curvature and Frenet trihedron for spiral curve
Author:
Xiaojun Liu
Use spiral to demostrate tangent, normal vector and binormal vector, Frenet trihedron
GeoGebra
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The black friday GeoGebra :)
toro test
Multiplying 2-Digit by 2-Digit Numbers Using an Area Model
seo tool
Untitled
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Demo123
Notes 4/18/16
Roots of a Complex Number
Animation 159
Circle Dissection - Sectors
Discover Topics
Surface
Rectangle
Expected Value
Difference and Slope
Standard Deviation