Learn and practice with problems ranging from 2 to 3 numbers. Each addend has 1 to 6 digits. Choose random or custom problems. Adjust tutorial animation speed. View step-by-step solutions with the play tutorial button.
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.
Practice long with problems ranging from 1 to 5 digits in the dividend and 1 to 4 digits in the divisor. Generate random or custom problems. Access step-by-step solutions via the tutorial button. Use the hint feature for instructional guidance.
Practice and with customizable problem settings. Solve problems with 1 to 4 digits in the divisor and 1 to 5 digits in the dividend. Access tutorials with adjustable animation speed. Use the play tutorial button for step-by-step solutions.
Calculate with dual-line display and multi-line input
A with dual-line display showing input and result. Supports multi-line equations and tap-to-move cursor. Saves calculation history with timestamps and labels. Allows emailing calculations and swiping to review previous entries.
Children learn math, reading, and critical thinking through interactive games, books, and worksheets. The adjusts difficulty based on performance, provides rewards, and includes curriculum-aligned lessons.
Solves linear and quadratic equations with step-by-step explanations. Handles inequalities and systems of equations. Graphs equations and factors quadratics. Evaluates expressions and follows order of operations.
Play Sudoku to challenge your mind with a 9×9 grid. Fill rows, columns, and 3×3 sub-grids with digits 1–9. Choose from easy, medium, hard, or expert levels. Disable numbers after all instances are entered. Use note-taking and hints when needed.
Interactive digital provides step-by-step guidance for problems. Multi-sensory learning tools allow hands-on manipulation of concepts. Track progress with detailed reports on accuracy and skill development.
Calculate with dual-line display and multi-line input
A with dual-line display showing input and result. Supports multi-line equations and tap-to-move cursor. Saves calculation history with timestamps and labels. Allows emailing calculations and swiping to review past entries.
Teach concepts through balancing bridges and problem-solving. Practice addition and comparison skills. Learn number flexibility and equality. Track progress through 30 levels. Sync with parental accounts for monitoring.
Practice and subtraction with interactive step-by-step guides. Use flash cards with varying difficulty levels. Access audio instructions to reinforce learning. Track progress through structured exercises. Share results with educators for feedback.
Learn to play Go with interactive tutorials and daily Tsumego problems. Practice against AI opponents with varying strengths and styles. Challenge friends or players globally via correspondence games. Track progress and analyze moves within the .
Game allows users to select an operation and difficulty level. Players solve problems to complete the game. Difficulty levels progress from easy to hard. Users can track progress through increasing challenges.