Classroom
Study tools and exploratory utilities — drills, maps, and benches for learning in the open.
Next.jsLanguage
Phonetics trainer
Dictionary phonics marks (macrons, breves, schwa, sh/ch/th) or full IPA—flip cards, quizzes, and spelling tiles.
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Next.jsStudy
CFA Training
Level I–III multiple-choice drills, topic filters, and right/wrong tracking in your browser.
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PythonData Viz
Historical Cities
Visualizing the "Top 10 Largest Cities" from 100 AD to 2025.
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Coming Soon
Map of the Universe
An interactive space for exploring the Sun-centric universe map.
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