Guides & TutorialsHow to Play Sudoku on an E-ink Tablet (and Other Pen Puzzles)
If you own a pen tablet, you already have one of the nicest ways to play pencil puzzles. Sudoku on e-ink tablets works the way it does on paper: you write a digit with the pen, jot small notes in the corner of a square, and rub them out when they turn out wrong. The […]
