Chinese Flashcards & Pinyin vs Binomial Toolkit

CN Flashcards is a free Chinese flashcard app with spaced-repetition review, a built-in dictionary, and ready-made HSK vocabulary for Mandarin and Cantonese learners. No ads, in-app purchases, subscriptions, or login. Build your own vocabulary list, study HSK 2.0 levels 1–6, or quickly look up Chinese words. SPACED-REPETITION REVIEW • Practice words when they are due • Rate answers as “Again” or “Got It” • Remembered words appear less often; missed words return sooner • Automatically save and resume unfinished review sessions • Track how many words you have reviewed HSK 2.0 REVIEW • Study ready-made vocabulary from HSK levels 1–6 • Choose exactly which levels you want to practice • Track progress separately for each level • Keep HSK vocabulary separate from your personal flashcards WHY LEARNERS LOVE IT • 100% free with zero ads • Works fully offline • Native iPhone, iPad, and Mac app • Lightweight and fast SEARCH • Search by Pinyin, English, or Chinese characters • Supports Simplified and Traditional Chinese • Smart result ranking and recent search history • Add words directly to your personal flashcard list FLASHCARDS • Includes 1,100+ starter words (Settings → “Load default words”) • Add your own words and definitions • Use random order to test your recall • Review personal flashcards with spaced repetition PRONUNCIATION • Tap the speaker for Mandarin and English audio • Listen to Cantonese pronunciation with a dedicated button DICTIONARY • Powered by CC-CEDICT • Downloadable updates help keep definitions current 开始学中文吧!

Binomial Toolkit helps students learn, solve, and practice binomial expansion with clarity. Whether you are preparing for exams or reviewing algebra fundamentals, the app combines fast solving tools with guided learning features so you can understand every step, not just the final answer. Key Features • Quick Expand: Enter expressions like (x+2)^5 and get instant full expansion. • Step-by-Step Solutions: Learn how each term is formed using the binomial theorem. • Pascal's Triangle Explorer: Interactively inspect rows and coefficients. • Practice Mode: Train with beginner, intermediate, and advanced challenges. • History: Revisit recent calculations anytime. • Favorites (Premium): Save important expressions for fast access. • Clean Interface: Built for focused learning with smooth, student-friendly workflows. Free vs Premium • Free version includes core solving and learning tools with daily limits for selected features. • Premium is a one-time purchase that removes ads and unlocks full access. Who is this for? • High school and college students • Teachers and tutors • Anyone practicing algebra and binomial theorem Make binomial expansion simpler, faster, and easier to understand with Binomial Toolkit.