Learn and practice speedcubing algorithms for 2x2, 3x3, 4x4, Pyraminx, Skewb, Square-1, and Megaminx. Access over 1,000 algorithms with regular updates. Save and organize algorithm sets. View step-by-step guides and practice sequences.
by Armand Tartar★ 4.512 ratingsEducationFreeData updated 2026-09-06
Learn mental weekday calculation with text and video tutorials. Practice using Guided Solve mode for step-by-step training. Test skills with in- challenges. View calendar dates and calculate corresponding weekdays instantly.
Clinical guidelines for internists and clinicians.
The app provides access to clinical practice guidelines and guidance statements from the American College of Physicians. Users can find recommendations, summary tables, algorithms, and high value care advice in an interactive mobile format.
Learn to draw and chibi through step-by-step tutorials. Practice simple illustrations to improve skills. Save and share completed drawings. Play offline without an internet connection. Track progress through levels and challenges.
Solve puzzles by filling grid cells to match row and column totals with circle numbers. Choose difficulty levels from 4x4 to 9x9. Track solved puzzles and completion times. Complete puzzles daily for brain training.
Play tile-matching games to reach the tile. Slide tiles to combine numbers. Choose from 3x3, 4x4, or 5x5 grids. Play or 243 game types. Merge tiles to score points and progress.
Learn through interactive virtual flashcards. Test knowledge with synthetic sequences. Identify reagents, starting materials, and products for each step. Browse different options to self-assess understanding.
This logic puzzle game challenges players to paint grids blue or white following specific rules about numbered islands and streams. The app offers over 500 puzzles in three sizes with Time Trial modes and leaderboards.
C++ from beginner to advanced with interactive lessons and live code examples. Take instant quizzes, track progress with streaks, and use a 24/7 AI coding assistant. Access 180+ lessons covering basics, OOP, STL, algorithms, and data structures.
The app presents a puzzle where users rotate rows or columns to unscramble it. It offers 7 levels of play with over 100 challenges and 165,888 puzzle configurations for the 2x2 puzzle.
The app presents a 2-minute timed word challenge on a 4x4 letter grid. Users form words using fast touch and swipe controls to increase score multipliers.