Edit mathematical expressions with a visual interface. Perform 30+ functions including calculus and algebra. Use an intuitive color-coded palette. Access a history log for past calculations. Save variables for future use.
Practice questions with instant answer access. Review detailed explanations for each question. Track progress through completed exercises. Focus on accurate -style content without textbook references.
The app presents the historical novel Romance of the Three Kingdoms. It supports simplified and traditional Chinese, with four font options and adjustable sizes.
Learn and practice sign language with video-based vocabulary entries covering over 8000 signs. Categorized signs include alphabet, numbers, and everyday phrases. Search for specific signs and view detailed explanations.
The app is a community for exploring interests and professional development. Users can share their experiences, connect with like-minded individuals in various groups, and learn from expert instructors through live and recorded courses.
Receive real-time buy and sell alerts for and . View entry, next target, and stop loss levels. Track market trends and option flows. Set push notifications for alerts. Analyze signals based on technical evaluation and market data.
Learn English vocabulary through word root analysis and associative explanations. Break down words into roots and components for easier understanding. Discover relationships between words and their meanings.
Learn English through interactive stories and games
Help children learn English through immersive interactive scenes and character-based storytelling. Practice speaking with animated characters and voice recognition. Access scientifically designed language content with native American accents.
Children's education offers curated stories from classic literature and history, including novels like Journey to the West and Romance of the Three Kingdoms, along with historical events and poetry.
Access ancient texts with comprehensive collections of poetry and classical literature. Features include pinyin annotations, audio readings, and detailed translations.
Learn programming through interactive lessons and exercises. Use an embedded editor and a custom virtual keyboard for coding. Track progress and receive personalized feedback. Share snippets and collaborate in real-time.
Explore with detailed insignia for Army, Navy, Air Force, Marine Corps, Coast Guard, and Space Force. View rank titles, pay grades, and insignia for each branch. Search by rank or branch to find specific details.
Convert numbers between , , hexadecimal, and octal formats. Input a value and select the target format for conversion. Display results clearly with error handling for invalid entries.