计算备忘录-多功能计算器与笔记本

2021年04月04日

### v2.21.67
1.Fixed a bug that cannot change color for the total row.

### v2.21.66
1.Fixed some minor bugs.

### v2.21.65
1.Fixed a bug that bitwise NOT operator does not work correctly in some cases.

### v2.21.64
1.Added new features that allow you to send feedback to the developer.

### v2.21.63
1.Fixed some minor bugs.

### v2.21.62
1.Supports the action bar customization.
2.Fixed some minor bugs.

### v2.21.61
1.Small improvements for UI.
2.Supports drag and drop for customizing keypad.