Identify and appraise stamps using image recognition. View details like origin, issue date, denomination, and market . Access educational resources and compare information for informed collecting decisions.
Practice speaking with AI-driven conversations that adapt to your skill level. Receive real-time feedback on pronunciation and grammar. Set learning goals and track progress over time. Engage in interactive exercises to build vocabulary and fluency.
Look up words with translations, synonyms, antonyms, and parts of speech. Access pronunciation guides and text-to-speech features. Use offline without internet. Auto-complete suggestions and view related words.
Learn and translate between and with an offline dictionary. Access meanings, examples, synonyms, antonyms, and parts of speech. Use text-to-speech for pronunciation. Get auto-completed suggestions and related word connections.
Access math lessons with video examples, interactive practice, and multiple-choice self-tests. Search or browse courses for elementary, middle, high school, college, and standardized test prep. Cancel within three days of purchase.
Solve problems by snapping photos or typing equations. Auto-crop equations for clean scans. Receive step-by-step explanations with clear reasoning. Visualize geometry problems through drawing tools.
Practice arithmetic with interactive cards and exercises. Choose problem types like addition, subtraction, multiplication, division, and percentages. Set number ranges and problem counts. Track time and problem completion. Pause and resume sessions.
With customizable text and samples. Choose from five difficulty levels and four modes. Track progress through ranks and complete quick challenges for improvement.
Learn and decode with AI-powered audio recognition that translates sounds into text. Practice through games like sound recognition and typing races. Access a detailed table for reference. Translate text to and vice versa.
Translate text between and by speaking, typing, or using the camera. Convert spoken words to text in real time. Translate images of text from camera or documents. Share translated text or save as notes.