Duolingo

Learn vocabulary in context. Fill-in-the-blank exercises with real sentences.

Translation search engine. See how words and phrases are translated in real documents.

See translations in context. Millions of examples from real texts in multiple languages.

Pronunciation dictionary. Native speakers pronounce words in their language.

Free fitness resource. Workouts, programs, and challenges with no ads or fees.

Dynamic mathematics software. Geometry, algebra, calculus visualization.