Generate passwords based on user-defined criteria. Choose character types including uppercase, lowercase, numbers, and symbols. View character distribution in a diagram. Export generated passwords as a series.
Learn mental arithmetic through 59 lessons on addition, subtraction, multiplication, division, squaring, and verification. Practice with timed training sessions and compete with friends via Game Center. Track progress and improve calculation speed.
Create books with customizable layouts and multiple types including Sudoku, KenKen, Bridges, Crosswords, and Word Search. Set KDP-specific sizing and design chapter pages without coding or design skills.