It is a calculator that animal's bark when you press a number.
You can also know the animal's life on the picture book.

1 Calculator function
· You can calculate by pushing animal's face illustration
· You can hear a bark when you press the button
· It can be input by expression and the order is correctly done
(Mass multiplication ahead of addition, etc.)
· Even long formulas can be displayed by scrolling

2 Picture book function
· Learn more about the animal's life
· You can hear animal's bark
· You can see the photos