E Widget Calc for iOS

Hi, Im 100% individual developer! :DThis app is the simplest & easiest calculator. Technique Summary1. Automatically calculating at the widget after copy the documents.2. You can use typing as usual.3. The simplest& modern design of widget& APP UI.4. The basic operation of calculator. Plus, convenient operation(Erasing a letter individually, preservation of calculated documents.) ExplanationI made this widget calculator with accumulate know-how which I learned for 1 year while I develop my own app.You guys are going to surprise once because of the display which has insight, and then surprise twice for the fast calculating process. Operation list-Calculating documents which is copied in the widget.-Calculating documents in the widget with typing.-Backing iphone& ipad-Intuitive display UI-Percentage (%) calculation-Erasing a letter individually-Broad range of font size-Expert the result of calculation to other APP