Project name: Calculator 단순 계산기 프로그램.

Why make: It looks easy to make atomic operations of numbers.

Get to know limits of JavaScripts when declaring or allocating variables and not a good option to make complicated operation in web front-end, main reason is because JS engine is way it is.(Get a sense of Turing-completeness)

Strategy of programming the program.

1. Use let always.

2. Use var if neccessary.

   Result: unexpected calulation of numbers.

   Solution: Use Tsx.

Try it with React.js

Try it with Cordova

Try it with Jsx

Try it with Tsx