【實用工具app】Calculator 12 in 1|最夯免費app-綠色工廠好玩App

► 800+ formulas in Formula Toolkit In-App HiCalc Pro for iPad is an ultimate calculator and will make all your calculations become simpler than ever with 12 calculators: Scientific, Currency Converter, Unit Converter, Date - Time, Constants, Tip calculator, Biorhythm calculator, Equation Solver, Statistics, Base conversion, Graph & Finance.► Noteworthy• RETINA ready!• Three calculating modes: STANDARD, STRING and RPN• Precision to 31 digits• BIG CALC in Portrait mode.• Comprehensive Date & Time calculator• Unit Converter contains 3,300 units in 113 categories• Currency converter with daily online update for 152 currencies• Extended Memory and Expression History supports • Intuitive interface - 8 skins for Sci-calc• Copy & Paste► Features:• Multi-line L.E.D with smart input for entering complicated expressions• Show expression as normal writing mode @ very useful for students• Advanced RPN mode with Stack viewer and functions: DROP, SWAP, ROLL, DEPTH, PICK, OVER, KEEP, LAST, CLEAR• Sending data from Ext-Memory & History list• Support 5 languages (English, French, German, Chinese & Vietnamese)► Scientific calculator: • Basic fx: sin, cos, tan, sin-1, cos-1, tan-1, sinh, cosh, tanh, log, ln, sinh-1, cosh-1, tanh-1 …• Advanced fx: Random, nPr, nCr, Differential function, Evaluation function, Integration function, Root-Finder and Product function, Greatest Common Divisor, Least Common Multiple, Fibonacci function …• Finance functions: SLN, SYD, DB, NPV, IRR, NPER, RATE, PV, FV, PMT.• Complex numbers in STRING mode► Unit Converter: a powerful and easy-to-use tool for converting over 3,300 units in 113 categories.• Special categories: Women and Girl's Clothing, Cooking, Electric Field, Density Traditional, Typography, UHF channel and frequency chart, Fuel Consumption …• Full text search for categories and units• Favorite & Recently used units► Statistics calculator• 15 common functions: Σ(x), mean of X, AVD, SSD, SDV, C(n, k), Min, Max, GM...• 6 probability distribution functions: Binomial, Gamma, Gaussian, Geometric, Poisson, Rayleigh• Smart data input: data import from clipboard supported► Graphing Calculator• Up to three graphs• Coordinate system movable• Zoom in/out► Equation solver• Polynomial Equations (1st-4th)• N-simultaneous equations► Base conversion• Full-featured base conversion► Date & Time calculator• Date / Time difference: calculate duration between two dates.• Add/ Subtract: Add or subtract days, months and years of a given date to get a new date.• Events Countdown/up: Shows Time Remaining and Elapsed Time► World Clock• Show date & time of any city in the World• Have 6 cool skins► Finance calculator • Time Value of Money (NPER, RATE, PV, FV, PMT)• Mortgage & Loan Calculator► Constants Library:• 1500 constants from Mathematics, Physics, Solar System and Element e.g: Avogadro number, Gravitational const, Stefan-Boltzmann Const, Speed of Light…