Calculator Smart vs Calculator Pro Lite

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!

A modern calculator with extensive customization and powerful features. Design it exactly how you want it. Used by millions. Supported by ads. MAKE IT YOURS ・Create custom themes with your own gradients, colors, or photos ・Choose from multiple button shapes and customize all colors ・Modern flat interface that looks great on any device ・6 layouts including extra-large button options ・Complete control over every visual element SEE EVERY STEP ・Dual-line display - shows your input and result simultaneously ・Multi-line input for long equations ・Tap & hold to move the cursor or copy and paste where you want SAVE YOUR WORK ・History saves every calculation with time and date ・Label important calculations for easy reference ・Email single calculations or complete history ・Swipe down to review previous work PROFESSIONAL FEATURES ・Full scientific calculator when needed ・Memory buttons with values displayed ・Percentage and backspace buttons ・Automatic scientific notation ・VoiceOver accessibility OPTIONAL IN APP PURCHASES ・Today View Widget (iOS 17 and below) ・Multiple History Tapes ADDITIONAL CUSTOMIZATION ・Adjustable font size and bold text ・Dark Mode support ・Left-handed mode ・Customizable button symbols and decimal settings ・iPad Split View and 3D Touch support ・Gesture controls for quick access URL Scheme: calculatorproelitefree://