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visits member for 2 years, 10 months
seen Mar 1 at 7:24

Feb
27
revised Wolfram Alpha's Mysterious Trig Abilities…
deleted 250 characters in body
Feb
27
revised Wolfram Alpha's Mysterious Trig Abilities…
added 2 characters in body
Aug
17
revised Ways to define a curve
added 160 characters in body; edited tags
Dec
13
revised Calculating Distance of a Point from an Ellipse Border
added 127 characters in body
Dec
13
revised Calculating Distance of a Point from an Ellipse Border
added 127 characters in body