【實用工具app】Calculator 3 in 1|最夯免費app-綠色工廠好玩App

★ Award Winning Calculator Since 2007 ★ HiCalc - Calculator for iPhone & iPod touch will make all your calculations become simpler than ever. ► Noteworthy • RETINA ready! • 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 ★ 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, Integration function, Root-Finder and Product function, Greatest Common Divisor, Least Common Multiple, Fibonacci function... ★ Tip calculator Easy & funny to use. ★ 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...