Teaches techniques and mnemonics for improved retention. Allows users to practice exercises and track progress. Includes customizable study sessions and flashcards for review. Offers guided mental exercises to enhance cognitive abilities.
Calculator displays calculations in real-time and saves a history accessible by swiping up. It handles fractions, converting between proper, improper, and mixed formats. It supports degrees, minutes, and seconds for angle input.
The app shows expressions as users enter them and keeps a history of calculations. It performs fraction and angle conversions, solves equations, and converts between coordinate systems.
Practice long with problems ranging from 1 to 5 digits in the top factor and 1 to 3 digits in the bottom factor. Solve random or custom entered problems. View step-by-step solutions with adjustable tutorial animation speed.
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 by filling a 9×9 grid with digits 1-9. Choose from four difficulty levels. Ensure no repeated numbers in rows, columns, or 3×3 sub-grids. Solve puzzles using logical deduction only.
The app is a brain trainer designed to improve working memory. Users select a level and memorize addition answers, then tap the last digit of a previous answer.
The app presents a memory matching game featuring over 200 world flags. Players tap to reveal flags and match pairs to clear the board, with country names appearing when flags are shown.
Solve puzzles by filling a 9×9 grid with numbers 1-9. Ensure no repeated numbers in rows, columns, or 3×3 sections. Track progress and complete challenges. Share high scores and compete with others.
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.
Practice sight-reading with generated challenges. Customize patterns and difficulty levels. Track progress and repeat exercises for improvement. Sync with devices to access lessons offline.
Practice mental arithmetic with addition, subtraction, multiplication, division, and mixed modes. Use 1 to 5 digit numbers in column format. Track daily scores and view progress graphs. Compete in rankings via Game Center.