The best iPad apps for scientific calculators - appPicker
Scientific & Graphing Calculator - iOS https://itunes.apple.com/us/app /ncalc-scientific-calculator/id1449106995 Android: search "Free Advanced calculator 991 es plus & 991 ex plus" and install app from "Nhi Thien Studio" What new in this version: iOS
7 Best Free Calculator Apps for iPhone - Guiding Tech
How to use scientific calculator on iPhone | Technology News – India TV