Practice characters by tracing strokes on screen. Receive instant feedback on accuracy. Access 1500 common characters for practice and testing. common phrases through guided exercises. Track progress and review mistakes.
Learn Korean vocabulary using flashcards with English/Korean word pairs. Practice with spaced repetition, customize sessions, and review 100+ essential words. Includes romanization for pronunciation guidance.
The app calculates and plots formant frequencies of spoken vowels. It uses the first two formant frequencies to graphically show the location of a spoken vowel on a standard vowel diagram.
