Unlimited Calculator Pro vs OCR Text

Unlimited Calculator is the most powerful calculator available on the App Store. Unlike standard calculators limited to 15–16 digits, Unlimited Calculator handles numbers of any size — millions of digits — with perfect precision. Whether you are a student, engineer, researcher, or simply curious about mathematics, Unlimited Calculator gives you tools that go far beyond arithmetic. What makes it unique: Arbitrary-precision arithmetic using BigInteger — no rounding, no overflow, no limits RSA key generation (256 to 2048 bit) with step-by-step explanation Diffie-Hellman key exchange demonstration Collatz conjecture explorer with animated sequences Prime factorization, Euler totient, Miller-Rabin primality test Special sequences: Fibonacci, Catalan, Bell numbers, and factorial with exact BigInteger results Matrix calculator for linear algebra operations Unit and currency converter Function grapher with zoom and pan Finance calculator (compound interest, loan amortization) Scan handwritten or printed expressions using the camera (OCR) Multi-base display: see your result simultaneously in decimal, hexadecimal, binary, and octal Calculation history with tags, star, and CSV/JSON export Home screen widget showing your last calculation Full VoiceOver accessibility support Dark mode, light mode, and custom accent color Complete Italian localization

**OCR Text – Make Text in Images More Useful** OCR Text makes it easy to extract, edit, organize, and share text from images. Whether you're working with classroom notes, business documents, or everyday information you want to save, simply take a photo, select an image, or import a PDF to recognize text quickly and effortlessly. Key Features • Camera Scanning: Scan documents with your camera and quickly extract text. • Multi-Page PDF Recognition: Process entire PDF documents at once, combining recognized text page by page for easy review. • Chinese & English OCR: Supports Traditional Chinese, Simplified Chinese, and English, with automatic language detection. • Comfortable Reading & Editing: Enjoy full-screen reading, adjustable font sizes, and the ability to edit and correct recognized text. • Copy & Text-to-Speech: Copy extracted text to other apps or listen to it using the built-in text-to-speech feature. • Word & PDF Export: Export your edited text as Word or PDF documents and easily share them with friends, classmates, or colleagues. • **Drafts & Recent History:** Automatically save text drafts so you can return to them and continue editing anytime. **On-Device Text Recognition** Text recognition is performed directly on your device. Recognition accuracy for handwritten text may vary depending on handwriting style, language, and image quality. We recommend reviewing the extracted text before sharing. OCR Text – Scan, Recognize, Edit & Share with Ease.