#!/usr/bin/env ruby

puts 5/8                       # 0
puts 5.0/8                     # 0.625
puts 2**1000    
puts ((2*500+1)*(2**500-1))    

=begin
puts (2**30-1).type
a=0b001_001
puts a
puts a.type
a=12.34
puts a
puts a.type
a=12.34e2
puts a
puts a.type
=end

puts 12.34.ceil                  #  13
puts 12.34.floor                 #  12
puts -12.ceil                    # -12  
puts -12.floor                   # -12
puts 12.34.round                 #  12 
puts 12.54.round                 #  13
puts -34.56.abs                  #  34.56

puts -12.34.to_i                 # -12
puts 1234.to_f                   # 1234.0


=begin
puts 123_456_789.type
puts 0xaabb
puts -0b1010/0b10
puts 2/3.to_f
=end