Season's Greetings help greetings % greetings Seasonal holiday fractal. % greetings(phi) generates a seasonal holiday fractal that depends % upon the parameter phi. The default... 더 읽어보기 >>

We all know that Friday the 13th is unlucky, but is it unlikely?... 더 읽어보기 >>

Biorhythms were invented over 100 years ago and entered our popular culture in the 1960s. You can still find many Web sites today that offer to prepare personalized biorhythms, or that sell software to compute them. Biorhythms are based on the notion that three sinusoidal cycles influence our lives. The physical cycle has a period of 23 days, the emotional cycle has a period of 28 days, and the intellectual cycle has a period of 33 days. For any individual, the cycles are initialized at birth. All the people on earth born on one particular day share the biorhythm determined by that date.... 더 읽어보기 >>