Richard Koch


TeXShop is a TeX previewer for Mac OS X, written in Cocoa. Since pdf is a native file format on OS X, TeXShop uses "pdftex" and "pdflatex"...

By Richard Koch | Added April 10, 2019


Dynamics is a program written to illustrate the connection between Julia Sets and the Mandelbrot Set. It can draw magnified portions...

By Richard Koch | Added August 22, 2001


The Greeks proved that there are exactly five regular solids: the tetrahedron, cube, octahedron, dodecahedron, and icosahedron. In...

By Richard Koch | Added October 19, 2000