WeCalc: Stylish Calculator App

WeCalc is a stylish calculator for daily use. It not only shows the input history, but also can be changed the input numbers, and dragged & dropped to change the position of the input characters, so helpful, especially involves lots of numbers for calculation.
10 color themes are available based on user's selection.
[How to Use]
- To delete a digit from an input number, swipe to right on the round rectangle display board
- To select a number from input history, double tap a number from the record, its color will be changed from white to black
- To change the position of input data, drag and drop related data
- To delete a character from input history, drag and drop it to the end, then click 'Del' button
- Click 'Del' button to delete the whole selected number or last input data