Xmart® Calculator is appreciated as the best calculator app in the market.
While providing creative and useful features in a smart way, it combines all the major scientific/math functions in a beautiful and easy to use interface.
Download here: https://itunes.apple.com/gb/app/xmart-calculator+/id827740598?mt=8
Checkout the video: https://www.youtube.com/watch?v=4FUKk-vAXbQ
- Calculate on the fly! While you are entering, it performs calculating immediately and show you the results, no need to press the ‘=’ button or waiting!
- 3D touch preview: for iPhone 6s / 6s plus users, you can checkout the history details quickly with 3D touch.
- Results are editable: you can give them meaningful names.
- All history are saved and retrievable. You can view any details of a calculation or recall any result from any record.
- Share the history: you can select any records then share with your friends via SMS, Email, Facebook, twitter or Weibo, WeChat.
- Accounting and Auditing the same time! While it performs any calculation, the step by step details are automatically saved to the history.