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Latest articles

The real story behind the Tesla Map to Multiplication chart

Tesla multiplication applet
The fascinating Map to Multiplication may not be all it seems, notwithstanding its cleverness... more »

Intersection of 3 planes at a point: 3D interactive graph

solution of a system of 3x3 equations is intersection of 3 planes
This 3D planes applet allows you to explore the concept of geometrically solving 3 equations in 3 unknowns... more »

Conic sections interactive applet

Conic sections interactive applet
This interactive applet allows you to explore the concept of slicing a cone by a plane at various angles and positions, resulting in conic sections... more »

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