Calculator - Free App

这是Android的Retro Calculator，具有旧界面和实用功能！

This is Retro Calculator for Android. The calculator is a simple and easy calculator app with an old interface and practical functions!

features:

- Retro & Cool Design (ofc Fast & Simple UI)

- Memory keys (M+, M-, MR, MC)

- Tap for calculation history

- Calculator shows work

- Text is large to read

- Use backspace anytime to correct simple mistake

- It's Free calculator app for download