Learn Chinese characters with 1200 essential words, including pronunciation and writing. View real-life pictures with hidden options. Tap to hear standard pronunciation for characters and phrases. See stroke order with numbered steps and arrows.
Play a turn-based card game where players match numbers by . Choose difficulty levels from easy to very hard. Compete against others or play locally with friends. Track progress and replay matches.
Teaches basic through interactive multiple choice questions. Allows children to progress at their own pace or play timed challenges. Features a simple, child-friendly interface for young learners.
Play by tapping to rotate puzzle pieces and activate lights. Complete unique levels with progressive, random shuffle, and daily puzzle modes. Challenge yourself to improve mental skills daily.
Solve puzzles with tiles featuring Mahjong, umbrellas, and cakes. Use boosters when stuck. Track progress and play daily to improve skills. Update with new designs regularly.
Review caution and warning panel indications for helicopter aircraft. Learn emergency procedures for specific models. Practice identifying panel signals and responding to scenarios.
Explore probability with interactive sliders and buttons. Calculate probabilities and percentiles for upper tail, lower tail, or two-tailed tests. Visualize results alongside numerical solutions. Compare continuous and discrete side-by-side.
Play a puzzle game by connecting of the same color in adjacent directions. Combine to earn scores and multiply by closing loops. Choose between move mode to avoid losing moves. Track progress and challenge yourself with different difficulty levels.