Calculator Smart vs Smart Bill Calculator

Calculator Smart is the most powerful and precise calculator for iPhone, iPad, and Apple Watch — built for everyday math and advanced scientific computations alike. Whether you need a quick percentage or a complex nested equation with parentheses, Calculator Smart handles it all with a clean, modern interface and lightning-fast big buttons. Scientific & Standard Modes • 30+ scientific operations including trigonometry, logarithms, and more • Degrees and Radians support • Parentheses and nested parentheses for complex equations • Output in Decimal or Scientific Notation (mantissa/exponent) Intuitive Input • Slide to delete wrong digits instantly • Double-tap or long-press to Copy & Paste results • Full External Keyboard support (Bluetooth & Smart Keyboard) • Three-digit grouping with locale-specific decimal and thousands separators Cross-Platform & Widgets • Apple Watch app with Complication shortcuts • Lock Screen Widget — calculate without unlocking your device • Messages Extension — share results directly in conversations • Multitasking: Slide Over and Split View (iPad) Personalization • Colorful skins to match your style • Custom App Icons that match your chosen skin • Button sound feedback for a satisfying tactile feel Universal Purchase — buy once, use on all your Apple devices. Download Calculator Smart for FREE today!

Smart Bill Calculator is the ultimate offline POS and Khata (Ledger) management app designed for shopkeepers and small business owners. Key Features: - AI Product Scanner: Instantly read product names and MRPs using your camera (Powered by Google ML Kit OCR). - Bluetooth Printing: Connect thermal printers to print professional receipts. - Generate PDFs: Save and share bills in PDF format. - Khata Book: Manage customer dues and advance payments easily. - 100% Offline & Secure: All your data stays on your device.