LEARNING HUB
Gamified Learning Cards: Japanese, IELTS, Python, Excel
Turn popular study topics into cards: unlock levels, then review on a 1/3/7/14/30/60/120-day forgetting curve. Each deck has its own progress, XP and streak; all progress is local and can be backed up.
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Periodic Table Data: 1000 Chemistry Cards1000 element symbol, number, ion and isotope cards, 50 levels
English Visual Vocabulary525 themed words by scene
Excel Functions60 high-frequency Excel functions, 6 levels
French Visual Vocabulary525 themed words by scene
Git Commands60 Git command and concept cards, 6 levels
English Grammar: 1000 Fill-in-the-Blank Cards1000 grammar fill-in cards, 50 levels of 20
IELTS Core Words60 high-frequency academic words, 6 levels
JavaScript Output: 1000 Expression and Array Cards1000 JS output cards, 50 levels of 20
Kana QuestHiragana + katakana, 92 cards
Japanese N5 Kanji60 N5 kanji, 6 levels
Japanese N4 Kanji60 high-frequency N4 kanji, 6 levels
Mental Math: 1000 Add/Subtract/Multiply/Divide Cards1000 mental-math cards, 50 levels of 20
Japanese N4 Grammar40 core N4 grammar patterns, 4 levels
Japanese N4 Vocabulary60 high-frequency N4 words, 6 levels
Word/PPT Shortcuts60 office shortcuts, 6 levels
Python Cards60 syntax and built-in cards, 6 levels
Python Output: 1000 Expression and Method Cards1000 Python output cards, 50 levels of 20
Regex Practice: 1000 Match and Replace Cards1000 Python regex cards, 50 levels of 20
Spanish Starter483 themed words by scene
SQL Queries: 1000 SELECT Practice Cards1000 query cards, 50 levels of 20
English-French-Spanish Vocabulary: 1050 Cards1050 English-French and English-Spanish cards by theme
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Progress lives in localStorage on this domain; the hub only reads and summarizes it, never uploads.