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Interactive R lessons inside the R console

Coding lessons built around interactive screencasts

Programming practice that moves from guidance to independent solving

Adaptive online exam preparation with lessons, quizzes and review planning.

Private language tutors for live online conversation.

Conversational surveys with AI analysis for qualitative research

Language videos with worksheets, podcasts and pronunciation practice.

Japanese lessons with tailored tasks, flashcards and lookup tools.

Mandarin audio and video lessons built around conversations.

Detailed Korean lessons from reading basics to advanced grammar.

School-exam revision using subject lessons, flashcards and question practice.

A Polish reading and listening subscription with device-specific rules

A downloadable multimedia Esperanto course.

Short interactive language lessons with ongoing review.

Connect social conversations with earned-media monitoring and PR reporting

Classical music games, composer and instrument resources, podcasts and teacher materials.

Italian listening with transcripts and study courses.

Short English news with graded text and audio.

Picture-based vocabulary with listening and speaking challenges.

IELTS practice and lessons with writing samples, vocabulary exercises and a speaking simulator.

Video-based school lessons in science, maths and English language arts.

Interactive SQL lessons ordered by query concept

Japanese programming lessons in short videos

Chinese reading through graded news-based lessons.