뭐죠 루비 사용을 위한
Its mainly used for web apps but since it has similiar sntax to python you can also use it for data analysis and prototyping.
루비에 대한 프로그래머
irb(main):007:0> a = 3 ** 2
=> 9
irb(main):008:0> b = 4 ** 2
=> 16
irb(main):009:0> Math.sqrt(a+b)
=> 5.0