Perform complex calculations with functions and formula support. Use speech to input and receive answers, with full VoiceOver compatibility. Adjust button size and color for better visibility. Access high contrast mode for improved readability.
Solve logic puzzles by filling missing numbers in sequential order. Choose from 5 difficulty levels and over 500 levels. Use the check function to highlight errors or enable automatic highlighting. Auto-save progress and track completion times.
Solve Classic puzzles with varying difficulty levels. Track progress and complete puzzles in different modes. Access a library of puzzles for endless gameplay. Share achievements and compete with friends.
Solve puzzles by adding, subtracting, multiplying, and dividing to progress through levels. New puzzles arrive weekly. Play offline anytime with no time limits. Track progress on leaderboards.
Helps users practice mental arithmetic with addition, subtraction, multiplication, and division. Select from four difficulty levels and operators. Free trial unlocks addition easy mode. Compete on global leaderboards for fastest times.
Solve puzzles with adjustable difficulty levels. Input numbers, highlight clues, and track progress. Access hints and restart puzzles. Share completed grids via social media. Sync progress across devices.
Solve puzzles by guessing three-digit combinations. Input numbers and receive feedback on correct digits and positions. Adjust guesses based on results. Complete levels by guessing the correct combination within 12 attempts.
Solve puzzles by sliding tiles to arrange them in order. Choose from 4 modes and 30 levels. Use multi-touch to move multiple tiles. Access smart hints and view a global leaderboard. Toggle animations and timer. Support dark mode and social sharing.
Solve puzzles by sliding tiles to arrange them in order. Challenge yourself to complete puzzles quickly. Features puzzle mode and Pic, where boxes reveal hidden images. Track progress and replay puzzles.
Practice with featuring addition and subtraction problems. Flip to reveal answers, swipe to remove correct answers. Track progress and review mistakes. Sync across devices for continued learning.