The app offers four Sudoku variants: Classic, Extra, Math, and Mathdoku. It provides infinite grids with random generation and multiple difficulty levels from Beginner to Extreme.
Create drawings with customizable brush colors and sizes. Select from 60 color options for background and brush. Save or share artwork. Use random mode to change brush size or color automatically. Access 20 levels of undo.
Explore a deck of cards where each card represents an element from the . View detailed information about each element, including electronegativity, atomic size, density, and electrical conductivity. Compare these properties directly on the .
