- Silent optical communication in class, atwork, during lectures, etc- Write a message and show it to someone- Automatic formatting for maximum font size in billboardmode- Long-range communication using tablet and marquee mode- Modes: billboard, marquee

Free Signal / Tone / Frequency Generator Features -Multiplewaveforms - Smooth amplitude and frequency control -Backgroundoperation - Output via audio jack - Frequency rangeconfigurablevia settings page Waveforms - Sine - Triangle -Sawtooth - Square -Noise To change the range of the frequencyslider, press thesettings button at the top-right corner.

- Spectrum analyzer - Graph view - Waterfall view -Adjustablefrequency range - Adjustable scales (linear, logarithmic,etc.) -Different window functions - Hold button - Microphone input-Detect main frequencies

Digital dual-trace storage oscilloscope

- Interactive water simulation - Beautiful graphics - Multitouchsupport - Realistic physics - GPU acceleration