Create and customize grids with adjustable square or custom block sizes. Set canvas dimensions for accurate layout. Position and resize images within the . Adjust properties and view physical measurements. Submit feature requests directly from the .
Play with over 10,000 puzzles across 600+ levels. Choose from 11 variations of the classic game. Track progress through a to unite a kingdom and defeat an evil sorcerer. Solve puzzles to advance through islands.
Play by filling a 9x9 grid with digits 1-9 in each row, column, and 3x3 box. Choose from 5 difficulty levels. Levels are generated using AI and machine learning. Track progress and revisit previous games.
Allows users to create chemical process models using a touch-enabled PFD drawing interface. It supports offline operation and performs VLE/VLLE/SVLE/SVLLE calculations with equation of state and activity coefficient methods.
Allows users to create and edit spreadsheets with formula dragging, sorting, and header freezing. It supports csv import/export for compatibility. Includes limited graphing features. Features an expanded keyboard for easy equation input.
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.
Solve a 3x5 sliding block puzzle by rearranging tiles to avoid repetition in rows, columns, and diagonals. Multiple solutions exist. Swipe tiles to move them within the grid.
Perform complex calculations using 12 built-in calculators including scientific, financial, and unit conversion tools. Input formulas with three modes: standard, string, and RPN.
Solve logic by filling a 5x5 grid with numbers 1-5. Use greater than and less than signs between cells to determine correct placements. Ensure each row and column contains unique numbers without repeating.
Allows users to solve puzzles with customizable themes. Features include shaking for hints, move-by-move validation, and adjustable difficulty levels. Users can track progress and learn new solving strategies.