Calculator # Converter vs Calculator Smart

+ OVER 1 MILLION DOWNLOADS WORLDWIDE + Award Winning Calculator Since 2007 + 800+ formulas in Formula Toolkit In-App HiCalc - Calculator for iPad will make all your calculations become simpler than ever. ► Scientific calculator: sin, cos, tan, deg/rad/grad, Pi, sin-1, cos-1, tan-1, sinh, cosh, tanh, log, ln, sinh-1, cosh-1, tanh-1, Dec->Deg, Deg->Dec, XY->R, Random, nPr, nCr, Differential function, Evaluation function,... ► Necessary functions for your popular daily calculation: • Currency Converter • Unit Converter • Date - Time • Finance ► Engineering & Finalcial Calculator: • Graph • Statistics • Equation Solver • Finance • Base Conversion ► Noteworthy • RETINA ready! • New! Biorhythm calculator  • Support three calculating modes: STANDARD, STRING and RPN • Support precision to 31 digits • Supports Complex numbers in STRING mode • Powerful scientific calc with advanced fx: Differential, Evaluation, Integration, Product, Root-Finder… • Support Extended Memory for deep calculation • Expression history up to 135 items • Sending data from Ext-Memory & History list • Copy & Paste support • Intuitive interface & No ADs ► Features:
 • Multi-line LED-Calculator • Smart input which allows input of complicated expressions • Show expression as normal writing mode @ very useful for students • Supports both USA and EUROPEAN styles for date and numeric separator • Advanced RPN mode with Stack viewer and functions: DROP, SWAP, ROLL, DEPTH, PICK, OVER, KEEP, LAST, CLEAR ► Tip calculator Easy & funny to use. ► Biorhythm calculator How are you today? How is your health factor this week, next month, next year? Biorhythm calculator will show you health factors as : physical, intellectual, intuitional and also emotional factor. ► Constants Library The Constants Library includes 1500 constants from Mathematics, Physics, Solar System and Element e.g: Avogadro number, Faraday const, Coulomb const, Gravitational const, Stefan-Boltzmann Const, Speed of Light, Euler constant...

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!