Chegg is the world's leading digital learning platform, serving 7.5 million students with comprehensive tools that combine artificial intelligence with human expertise. At the core is the textbook solutions library containing step-by-step explanations for over 95 million problems across subjects including mathematics, physics, chemistry, biology, engineering, business, economics, computer science, and humanities. Each solution breaks down complex problems into understandable steps with detailed explanations of the underlying concepts and principles. When you can't find a pre-existing solution, submit questions to Chegg's network of thousands of verified subject matter experts who provide personalized explanations typically within hours. The AI Math Solver uses computer vision and machine learning to analyze photos of handwritten or printed math problems, instantly providing step-by-step solutions with interactive graphs and alternative solving methods across algebra, calculus, statistics, and advanced mathematics. Writing Center features include an advanced grammar checker that identifies errors and suggests improvements, a plagiarism detection tool scanning billions of web pages and academic papers, a citation generator supporting MLA, APA, Chicago, and other formats, and access to expert proofreaders for polishing essays and research papers. Study tools encompass a flashcard maker with spaced repetition algorithms for optimal retention, practice problem generators creating unlimited exercises with instant feedback, video explanations breaking down complex topics, and thousands of guided textbook solutions with practice problems. Chegg Tutors marketplace connects students with verified tutors for live one-on-one help via video chat, offering flexible scheduling and tutors across 80+ subjects. The platform's mobile apps enable learning on the go with features like photo-based problem submission, offline access to saved solutions, and push notifications when experts answer questions.