Math Editor vs AIVocab

Create, customize and organize Math notes and presentations with friendly interface: • Enter fractions, square roots, exponents, subscripts, integrals, sums, products, limits, piecewise functions, matrices, and most other mathematical notations. • Import images from external sources, or create them with built in image editor. • Take handwritten notes with the image editor, optimized for Apple Pencil. • Create documents with headers, text content, formulas, matrices, images and written notes. Highlight, color code and choose from different fonts. • Use Apple’s Voice recognition plus Math Editor’s voice commands. Create your own voice and keyboard commands for formulas or matrices. • Convert documents into PDF format or image format and export the files. • Generate LaTeX strings from your typed entries. View string blocks between matching LaTeX delimiters. • Create presentations, record and export presentation videos. • Save your work on your device and in iCloud. Synchronize data between devices. Made for students, teachers, tutors, engineers, scientists, and anyone who needs polished custom Math notes on iPhone/iPad. Help is available. Dark mode is supported. We welcome feedback: graphmath@aol.com

**Master Vocabulary in 12 Languages with AI-Powered Intelligence** AIVocab combines cutting-edge AI technology with proven learning methods to accelerate your vocabulary building. Learn German, Spanish, French, Chinese, Japanese, Korean, Russian, Arabic, Italian, Portuguese, Hindi, or English with a fully localized interface in your native language. ** AI-POWERED ENHANCEMENT** Transform simple words into comprehensive learning resources instantly. Connect your API key to automatically generate accurate translations, natural example sentences, pronunciation guides, grammar details, and cultural usage notes. Cost-effective with intelligent caching—results are saved permanently. ** CAPTURE TEXT ANYWHERE** Learn from real-world materials! Photograph books, menus, signs, or documents and let advanced OCR technology extract text instantly. Import PDFs, select text with a tap, and add vocabulary on the spot. Batch process multiple images efficiently. ** INTELLIGENT PRACTICE MODES** Quiz Mode: Gap-filling exercises using real sentences from your vocabulary. Timed challenges with smart fuzzy matching accept close answers. Get immediate feedback, track problem areas, and review failed questions with detailed corrections. Review Mode: Spaced repetition algorithm schedules reviews based on your mastery level. Context-rich practice ensures words stick. Self-assess your knowledge and let the adaptive system optimize your learning schedule for long-term retention. ** VOICE-POWERED LEARNING** High-quality text-to-speech in all 12 languages. Create continuous reading sessions for hands-free learning. Adjustable speed (0.5x-2.0x), background playback, and perfect pronunciation practice. Listen while commuting, exercising, or relaxing. ** READING HUB** Import articles from photos or PDFs. Multi-article reading sessions with voice synthesis. Select any text to add vocabulary instantly. Track reading progress, view word counts, and estimate reading time. Build vocabulary from materials you actually want to read. ** PROGRESS TRACKING** Visual mastery distribution shows your progress from 0-100% for each word. Set daily goals with smart recommendations. Monitor success rates, learning velocity, and individual word statistics. Celebrate achievements and stay motivated with data-driven insights. ** SMART ORGANIZATION** Create custom color-coded labels for thematic learning. Filter by difficulty, progress level, date added, or custom labels. Advanced search across words, translations, and examples. Sort flexibly and organize your vocabulary your way. ** PRIVACY-FOCUSED & COST-EFFICIENT** All data stored locally on your device. No cloud synchronization. Complete privacy—your learning data never leaves your phone. No subscriptions—one-time purchase only. Minimal AI API costs with intelligent result caching. ** PERFECT FOR** Students (school, university, test prep), professionals (business vocabulary), travelers (trip preparation), language enthusiasts, TOEFL/IELTS/DELE/JLPT preparation, self-learners using authentic materials. ** GET STARTED IN 5 STEPS** 1. Choose your target language 2. Set daily learning goals 3. Add AI API key (optional) 4. Import vocabulary (photos/PDFs/manual) 5. Practice with quizzes & spaced repetition