CalcGirl is a game app that lets you do basic calculations using a girl called Nayuta.

The app is based on a character called Nayuta. She is a high school student who enjoys math and plays the violin.

You play as Nayuta in the game. The main goal is to help her in her daily life. To do this, you will need to help her to say the numbers. To do this, you will need to press the buttons that you see on the screen. The first time you use the app, you will need to buy some costumes for Nayuta. After that, you will no longer need to buy the costumes.

The app is designed for both Android phones and tablets. It is also designed to work on desktops.