For the Mechanical Comprehension with 220+ practice questions and detailed explanations. Take four practice tests. Review incorrect answers and save favorite questions for later.
Take a photo or upload a to identify it using AI analysis of color, shape, and structure. View species matches with confidence scores, habitats, and unique traits. Save findings in a personal timeline for tracking and learning.
Explore in multiple languages including English, Spanish, French, and Italian. Parents can help children learn to read and explore different cultures. New are added weekly by a creator community.
Books in English, including classics, EPUB files, web pages, and text documents. Translate words, phrases, and sentences using built-in dictionaries and online tools. Learn vocabulary flashcards, track progress, and highlight text for notes.