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Ruby for programmers

Ruby for programmers

irb(main):005:0> 3**2
=> 9

0

Source: ruby-lang.org

Ruby for programmers

irb(main):003:0> 3+2
=> 5

0

Source: ruby-lang.org

Ruby for programmers

irb(main):006:0> Math.sqrt(9)
=> 3.0

0

Source: ruby-lang.org

Ruby for programmers

irb(main):004:0> 3*2
=> 6

0

Source: ruby-lang.org

Ruby for programmers

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

0

Source: ruby-lang.org

Ruby for programmers

irb(main):002:0> puts "Hello World"
Hello World
=> nil

0

Source: ruby-lang.org

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