Solve Sudoku puzzles with varying difficulty levels. Enter numbers into grids to complete rows, columns, and squares. Track progress and reset puzzles. Share completed grids via social media.
The app offers structured math practice for kids, covering addition, subtraction, multiplication, and division. It features 20 progressive levels for each operation with a star rating system to track progress and build confidence.
Learn 9th grade math with comprehensive lessons covering , geometry, and trigonometry. Use the AI math solver for instant step-by-step solutions. Play interactive math games to reinforce concepts.
Practice exercises and repeat mistakes until mastered
Teaches basic through repetitive exercises for memorization. Users can add up to 10 individual accounts with separate progress tracking. Exercises include all combinations from 1 to 10 for both operands.
Play to assemble colorful animated pictures. Choose from themes like Nature, Food, and Dinosaurs. Rotate pieces to complete the image. Move pieces to match the picture. Find correct pieces in mixed fragments. Select any game mode.
Access the full text of the , including explanations for each clause and commentary on amendments. Includes all 85 Federalist Papers and James Madison's Journal of the Constitutional Convention.