★ Calculator+ is the multi-function scientific calculator for iPhone/iPod/iPad been useful for everybody from basic calculation users to more advanced such as students, scientific computation engineers, programmers, etc… Calculator+ is equipped with a natural display right at the center offering a greatly new user’s experience. Input data was dealt much more easily with a 2-part keyboard. Besides, the Equality Universal key promises more features in Ultimate Pack Upgrade. ★ Http://iPhoneCalculator.com Please tap 👉 [App Support] for more info. ★ Features: ✔ Universal App ✔ Dual-Skin (Cyber & CarbonX) ✔ High Resolution & luxury GUI ✔ Optimize for iPad Retina Display ✔ Classic Mode(*) ✔ String Mode(*) ✔ Professional Mode (Landscape Only) ✔ Basic Calculation (+, -, x, ÷, %,…) ✔ Advanced & Scientific Calculation ✔ Fraction (Mixed fraction) Calculation ✔ Time/Angle Calculation ✔ Numeric Integral Calculation ✔ Numeric Derivative Calculation ✔ Variable & Memories ✔ FX Calculation: F₁(X) Only ✔ Calculations History, Tape (String Mode) ✔ Result Copy/Paste ✔ Expression Undo/Redo/Image Export ✔ Built-in Tutorial, Online Video & Document ✔ Multi Configuration ★ Ultimate Pack Features: ✔ Three FX Functions: F₁ F₂ and F₃ ✔ Useful Constants Table ✔ Advanced Units Converter: + Over 400 Units in 21 Categories + Save/Copy Conversion Result + Favorite Section ✔ Graphing/Plot Page: + Support up to three equations + Smooth Zoom/Move + Snap to Point/Intersections (*): Landscape Mode is available on iPad only - Maxime