Bring a piece of MS Windows to your Android phone!
Functionality and interface are almost exact to the calculator provided with Microsoft Windows XP and earlier operating systems.
(though we left out the bugs and blue screen)!
Send an email if you find any operation unlike the real calc.
More efficient.
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)
