n-digit precision calculator configure it to use between 0 and 6000 digits. Use the options... menu and set the number of digits to be used and presented for all you calculations. All operations are presented with the configured precision.

Generate and print Maze's to any size and complexity. Start with a simple one for the kid. Then you can generate another slowly increase the complexity and size by increasing the size of the window. Print the solution at once - so you can give hints. New mazes are generated as fast as the window is increased or decreased in size. For the kid that find it funny to find solutions, this program is an infinites source of mazes.