"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]