Numbers in Ruby

Let's play with Numbers. In Ruby, numbers without decimal points are called integers, and numbers with decimal points are usually called floating-point numbers or, more simply, floats. Here's the program RubyNumbers.rb

=begin
 Ruby Numbers
 Usual operators:
 + addition
 - subtraction
 * multiplication
 / division
=end

puts 1 + 2
puts 2 * 3
# Integer division
# When you do arithmetic with integers, you'll get integer answers
puts 3 / 2
puts 10 - 11
puts 1.5 / 2.6

Questions asked by the participants:
1. Jatinder Singh - How do I get the integer result for the following operation (the desired output is 2) - puts 5.5/2
Answer: Try this -
num = 5.5 /2
puts num
puts num.to_int

First Post | Previous | Next

---

Technorati Tags: Numbers in Ruby
Blogs linking to this article