Hypotrochoid (or more commonly known as a spirograph) A model of the famous toy known as a spirograph. A circle of radius r (see blue circle below) is allowed to roll around the inside of a circle of ...

This paper focuses on developing an adaptation algorithm for hypotrochoid spiral dynamic optimization using linear adaptive spiral radius and angle by dynamically varying the value for each iteration ...

Posted in Art, Toy Hacks Tagged epitrochoid, hypotrochoid, mcp6004, op amps, spirograph ← The Printing Of Pi ...

Beginning in 1935, the journal was published with the help of Louisiana State University and, as it began addressing larger issues in teaching math, was renamed National Mathematics Magazine. In 1947, ...

The Hong Kong-based Canadian artist’s hypnotic, hypotrochoid shapes bisected with thick, black rectangles recall the spirograph art you might have once tried in maths lessons.