Calculator HD (for iPad) vs xQR for Safari Usage & Stats

Proudly presenting the grand release of "Calculator HD" version 4.0! Support for Split Screen is finally here! In this brand-new version, you can enjoy more convenient operations through Split Screen and Side Over. You can delete accidental input errors by swiping left or right, and you can also copy calculation results or paste calculation data between different apps. There are countless calculator products on the app market, but none achieve such perfection. Optimized for the latest version of iOS, "Calculator HD" brings you a perfect blend of simplicity and ease of use like never before. In the vertical basic mode, you will never accidentally press those large, finger-friendly keys; while the horizontal scientific mode provides you with all the functions you need for your daily calculations—those functions you will actually use, not just decorative embellishments. "Calculator HD" is the perfect replacement for the iPhone calculator, only bigger, clearer, and easier to use. You don't need to spend any time learning how to use it because you are already very familiar with its operation. Happy calculating!