○ For people like this ・Person who want to use a calculator with no extra items ・Person who just want to use the calculator functions simply ・Person who want to use a calculator app that is simple but also easy to use ○ Simple and beautiful design It is designed to be a simple and easy-to-use calculator. It has become such a sophisticated design that "pull" rather than "add" the function. It is an application that embodies "simple is best". ○ Easy to use Thanks to its simple design and no extra features, you can use the app intuitively. You can calculate in a fun and stress-free manner.