Some crazy hacker has even used the calculator UI to implement a Sudoku game: https://www.desmos.com/calculator/vg3vye1rvm https://www.desmos.com/calculator/vg3

Some crazy hacker has even used the calculator UI to implement a Sudoku game: https://www.desmos.com/calculator/vg3vye1rvm https://www.desmos.com/calculator/vg3vye1rvm