Learn design and coding through video courses on iOS and web development. Watch captioned videos, download source files, and track progress. Access content on iPhone, iPad, and web. Earn certificates upon completion.
Solve puzzles by converting zeros to ones on a grid. Match target decimal numbers at the end of rows and columns. Track progress and improve logic and problem-solving skills.
Diagnose eye conditions and access treatment guides
Provides diagnostic tools for eye conditions. Users can calculate visual acuity, transposition, and glaucoma risk. Features include dry eye disease assessment and diabetic retinopathy severity evaluation. Age to bifocal calculation is also available.
Solve puzzles and riddles with a command-line inspired interface. Explore multiple solutions per . Progress through increasing difficulty levels. Track achievements and unlock new challenges. Play offline without internet connection.
Coding with interactive labs and an on-device Python IDE. Run without setup or internet. Access tutorials on syntax, variables, functions, loops, data analysis, visualization, web scraping, networking, XML/JSON parsing, and machine learning.
Study for the certification with practice questions, quizzes, and review materials. Track progress with progress reports and performance analytics. Access detailed explanations for correct answers. Sync study sessions across devices.
Learn to through interactive missions and challenges that teach problem-solving and logical thinking. Complete 150 missions and 500 challenges to build skills. Progress through levels to create complex programs and solve problems.