APKPure Appを使用する
電卓の旧いバージョンをダウンロードすることが可能
The calculator can perform four arithmetic and engineering calculation.
The method of calculator operator must use by enter to complete the math formula before user press the equal sign , and it is very convenient to use a wide age group . So suitable users of students and professionals and the community , and so on. Simple operation is suitable for public users.