Calculator - Simple & powerful

Super easy to use, no cumbersome function!
A simple and efficient calculator.

======== Features ========

1、【History】: convenient for users to view previous calculation results
2、【click to modify】 select the number or symbol to re-edit the content
3、【recalculation function】: make calculation correction more efficient, greatly save error correction time
4、【use result function】: Users can quickly import the previous calculation results
5、【Remarks Information】: Mark important calculation records
6、【copy function】: copy the calculation content and share it with friends