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Statistical calculations with method-selection guidance

Statistical power and effect-size calculation

Short language lessons with tutor support and a study plan.

AI note taker that turns lectures and uploads into notes, transcripts and study materials.

Chess database searches by player, opening and position

AI note taker that records, transcribes and summarizes meetings, audio, video and PDFs.

PMI's PMP preparation subscription with refreshers, practice questions, mock tests and progress tracking.

Speaking and listening practice through everyday dialogues.

Work-related courses with role guides and learning pathways.

Connect French vacancy search with CV visibility and application follow-up

AI-native platform for creating, delivering, and tracking interactive learning experiences

Interactive Icelandic built around life in Iceland.

A beginner's guide to Russian sounds, vocabulary and grammar.

Repeated practice for chess openings, tactics and endings

Illustrated medical learning with schedules and review tools.

AI math solver and tutor with step-by-step answers, PDF homework help, and study tools.

Programming study with code review and instructor-led practice

Parallel Bible texts linked to language and commentary tools

Bible search with precise control over the books searched

Mentor-led study in 3D, visual effects and game art.

Tactics, opening repertoire practice and chess databases

Online university study using a competency-based approach.

Courses and structured programs from universities and companies.

MIT course materials for independent study.