YKGA Simple Calculator & Widget

My goal was an easy-to-use, simple calculator.
The big letters and big buttons make it usable by people of all ages from children to the elderly.
Widget calculator has been added. Swipe quickly to start up and calculate.

function
· Basic calculation functions.
· Widget calculator has been added. Swipe quickly to start up and calculate.
· It can be used in over 30 languages.