A recreational math program solving the heptagram problem
Can you fill in the numbers 1, 2, ..., 14 in the heptagram shown below?
Or can you prove or disprove that the analogue problem is not solvable for a pentagram?
You find program on this problem, and on the Mandelbroot and Feigenbaum sets.
MathUtils is a small collection of usesful math-processing programs for Windows/Unix fammily, write in object pascal language. Applications are very simple to use.