Import study materials via camera or PDF files. Draw line markers with keywords. Review incorrect answers and weak questions. Track memorization progress with study-record graphs. Share notes with friends for exam preparation.
Perform real-time spectral analysis of sounds. View images with adjustable FFT-resolutions, frequency and amplitude scales, and color schemes. Save and share spectrograms. Access bode plot modes with averaging and maximum calculations.
Teaches children to identify through sound. Tapping reveals hidden cars with animations. Features simple interface for independent play. Encourages hand-eye coordination and color recognition. Includes vehicle sounds for auditory learning.
From beginner to intermediate levels with structured lessons and vocabulary exercises. Practice grammar and pronunciation through interactive activities. Track progress with built-in quizzes and skill assessments.