Solve problems by taking photos. View detailed solving steps. Perform addition, subtraction, division, and multiplication. Support 12 significant digits. Switch between landscape and portrait mode. No ads.
Practice facts with customizable problems and multiple solving methods. Select problem types, set difficulty levels, and track progress. Receive immediate feedback and adjust settings for individual learning needs.
Play puzzles by placing colors in a grid so each row, column, and block contains all hues exactly once. Choose from various sizes and difficulty levels. Track progress and replay previous puzzles.
