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[루비] 루비 숫자 다루고 변환 메서드

jhkang-dev 2018. 12. 21. 16:43
puts "Simple calculator"
25.times {print "-"}
puts "Enter the first Number"
num_1=gets.chomp
puts "Enter the second Number"
#gets.chomp는 String으로 받아온다.
num_2=gets.chomp
puts "The first number multipled by the second number is #{num_1.to_i * num_2.to_i}"

puts "나누기 : The first number division by the second number is #{num_1.to_i / num_2.to_i}"

puts "더하기 : The first number plus by the second number is #{num_1.to_i + num_2.to_i}"

puts "빼기 : The first number minus by the second number is #{num_1.to_i - num_2.to_i}"

num_3=10
puts "#{num_3.to_f}"

puts "#{num_3.odd?}"

puts "#{num_3.even?}"