User:Fjackson

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I am a mathematics graduate from Bristol University (1967). My interest is primarily Euclidean geometry in 2D, 3D and higher dimensions. I contribute to MathWorld [1] and I have made some contribution to the following articles within Wikipedia:

Conway triangle notation
GEOS circle
Johnson circles
Orthocentric system
Solid angle
Tetrahedron
Trilinear coordinates
e^{i \pi} \,\; This user is a mathematician.