In effect draws a pencil outline on top of a picture. You can choose how much colour to preserve from the original, and how heavy a pencil to use. The critical routine is written in x86 Assembly Language. It's too slow in pure Basic. In fact, it looks for...

Double Pendulum

Double Pendulum Rev 2.2

With Double Pendulum application you will be able to simulate problem a pendulum hanging from another pendulum situation. It's easy to make one, but it's a pretty ferociously difficult mathematical problem, by most peoples' standards. To even set up the...