Recreational Mathematics Magazine
- Entry
- Clipping 005
- Date
- Tags
- Mathematics, Oscilloscope, Waveform, Lissajous, Print, Black and white

A page from Recreational Mathematics Magazine. The top row shows four oscilloscope traces — sine, sawtooth, and square waves, and a Lissajous figure. Below are two photographs of waveform figures shaped on an oscilloscope screen, labelled Oscillon #39 and Oscillon #11.