This is a simple calculator. It does not completely cover the screen. When you use it, you can see the numbers in other applications, which can help you calculate easily.
User interface optimization
9Apps 4.9
![국세청 홈택스 [손택스] on 9Apps](https://go.getnew.app/sg/res/jpg/f7/df/69cc2f90120ec331db2630e0f5b6-6dh.jpg?x-oss-process=style/jmq200)
