Calcat 與 Kitten's Calc 使用情況與統計

"Calcat" is a calculator for people who like cats. When you push the "="button, you hear a cute mew of the cat. Not only cute, it is a calculator sticking to ease of use. You can leave calculation results, see the process of input and immediately notice a mistake. This calculator calculates in input order like a general calculator. *General Calculator (calculation in input order) 1 + 2 × 3 = 9　　[1 + 2 × 3 = 9] *Function Calculator 1 + 2 × 3 = 7　　[1 + (2 × 3) = 7]