Study Tools
Productivity tools for students. Pomodoro timer, GPA calculator, and study aids.
15 tools available
GPA Calculator
Calculate your Grade Point Average (GPA) quickly and accurately. Add courses with credits and letter grades to get your GPA instantly. Free, simple, and perfect for college students.
THUOCL Vocabulary Learning
Learn Chinese vocabulary from the authoritative THUOCL (Tsinghua University Open Chinese Lexicon) database containing over 156,000 words across 11 specialized domains. Study words in categories like IT & Technology, Finance, Medicine, Food, Legal Terms, and more. Each word includes pinyin pronunciation for accurate learning.
Chinese Idiom Chain
Chinese Idiom Chain is an innovative educational tool that visualizes the traditional Chinese word game of idiom chaining (成语接龙). Watch as idioms flow seamlessly from one to another, with the last character of one idiom matching the first character of the next. Perfect for students, teachers, and Chinese language enthusiasts.
Chinese Character Learning
An immersive learning tool for Chinese characters featuring real-time stroke order animations, TTS pronunciation, comprehensive vocabulary, and thematic content sets.
Chinese Character Full-Screen Display
Learn Chinese characters on large displays with this full-screen tool. Features super-large characters (240pt on 4K), stroke-order animations, pinyin, and complete dictionary information including definitions, related words, idioms, and example sentences.
Character Knowledge Graph
Discover how Chinese characters connect to each other through an interactive knowledge graph. Visualize relationships by radicals, pronunciation, and compound words in a mesmerizing radial layout. Features auto-play mode for ambient learning and manual exploration for deep study.
Classical Poetry Appreciation
Selected collection of 30 classical Chinese poems from Tang and Song dynasties, featuring works by Li Bai, Du Fu, Su Shi and other masters. Includes annotations and appreciation notes for ambient classical literature learning.
Chinese Traditional Festivals
Comprehensive introduction to 12 Chinese traditional festivals including Spring Festival, Dragon Boat Festival, and Mid-Autumn Festival. Learn about origins, customs, and traditional foods to preserve Chinese cultural heritage.
English Conversations - Practical Scenarios
20 practical English conversation scenarios covering greetings, shopping, travel, and work situations. Learn English naturally through environmental exposure and repetition.
Life Wisdom - Daily Inspiration
Curated collection of 50 life wisdom quotes covering motivation, character building, and worldly wisdom. One quote per day to enhance family cultural atmosphere and cultivate a positive life outlook.
TCM Wellness - Acupressure Points
Learn Traditional Chinese Medicine wellness through beautiful illustrated acupressure point diagrams. Features 10 commonly used points with animated markers, making it easy to master massage and health maintenance knowledge through ambient learning.
Knowledge Wall
Knowledge Wall is an innovative ambient learning system designed for environmental immersion. Display educational content on your TV or large screen, allowing family members to learn passively while going about daily activities. Perfect for Chinese cultural education, science learning, and knowledge retention through repeated exposure.
Mind Map Gallery
Interactive mind map gallery featuring curated visual learning resources across various topics including travel, science, and culture.
Chinese Word Learning
Learn 2-character Chinese words through full-screen immersive display with character animations and voice pronunciation. Perfect for vocabulary building.
Chinese Idiom Learning
Learn 4-character Chinese idioms through full-screen immersive display with character animations, etymology, examples, and voice pronunciation.
Why Use Our Study Tools?
Lightning Fast
All calculations run instantly in your browser. No waiting, no loading.
100% Private
Your data never leaves your device. Everything is calculated client-side.
Mobile Friendly
Works perfectly on phones, tablets, and desktops. Use anywhere, anytime.