Feel free to draw as you wish with your finger or an electronic pen.
It's also great to have your girlfriend or children draw it for you.

◆ We recommend this game for...
Fathers who are working alone
Painters (including self-proclaimed painters)
People who want to use their Nintendo Switch™ as a calculator

◆ Functions
Draw "AC", "decimal point", and "background" to express the calculator as a "picture".
Supports four arithmetic operations including parentheses.

More details on the official game page of Calculator Maker : My Calculator ...