Scan QR codes by pointing the device's camera at them. Store scanned codes for future reference. View encoded information such as contact details or website links. Share scanned codes with others.
Learn multiplication through interactive audiovisual patterns. Adjust point count and select tables from 2× to 8×. Observe geometric shapes formed by connecting points. Explore mathematical relationships through visual and auditory feedback.
Decode code audio into text. Display audio spectrum and tone amplitude graphs. Adjust narrow band audio filter between 400-1600 Hz. Set WPM speed for dot/dash detection. Configure tone frequency thresholds. Export decoded text.