!Lissajoux

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This is my first BBC-BASIC program I wrote once while studying the book "Wimp Programming for All". It contains a special method for resizing the main window.

The program calculates an simple animation of lissajous-figures. These are the figures you can see on an oscilloscope, when you drive the x and y inputs of the oscilloscope with different sinus voltages. The frequency for each sinus wave will be chosen randomly on the start of every round and the amplitude will get altered slowly from 0 to 1 and back.