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.
Solve puzzles with adjustable difficulty levels and multiple grid formats. Use advanced solving tools and track progress over time. Play fully offline and access handcrafted puzzles without internet connection.
Play interactive mini-games to develop cognitive skills through puzzles, tracing, and sorting by color, shape, and size. Learn basic concepts with engaging activities designed for children aged 2 to 5.
The target number among colorful digits. Tap quickly to beat the timer. Track progress and set daily challenges. Improve focus and mental agility through simple, timed puzzles.
Practice math operations with shapes and fractions
Practice arithmetic operations including addition, subtraction, multiplication, and division, with mixed problems and fraction support. Learn number tables and basic math with shape-based addition and subtraction.
Solve puzzles with classic gameplay and adjustable difficulty levels. Track progress through rankings and attempt to complete puzzles without using hints. Play relaxing or challenging modes to enhance concentration and problem-solving skills.
Play memory to improve number recall, sequence recognition, image retention, and color memory. Track progress daily challenges and exercises. Share results and compete friends.
Play water sort puzzle, DOT Game, Sudoku, and pattern recognition challenges. Test quick search skills and left vs right functions. Improve concentration and multitasking abilities through interactive exercises.
Train memory and attention with logic puzzles and tests. Complete IQ tests, solve Sudoku, play word search, and engage in chess. Track progress with daily cognitive workouts. Access over 2500 and tests across multiple categories.
Solve puzzles by filling grids with digits. Enter numbers in rows and columns to match clues. Avoid repeating digits in any row or column. Access a large library of free puzzles. Track progress and restart puzzles.
Solve puzzles with additional numbers outside the grid indicating the sum of cells between 1 and 9 in each row and column. Complete puzzles with varying difficulty levels. Track progress and view hints when needed.