"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]