stdlib/numbers/numbers.rb

tests/_examples/stdlib/numbers/numbers.rb in the metorex repository.

# Numeric methods demonstration

# Integer methods
puts 42.abs
x = -7
puts x.abs

puts 42.to_f
puts 42.to_s
puts 42.to_i

# Integer#times
sum = 0
5.times do |i|
  sum += i
end
puts sum

# Float methods
puts 3.14.abs
y = -2.5
puts y.abs

puts 3.7.ceil
puts 3.2.floor
puts 3.14159.round(2)

puts 3.7.to_i
puts 3.14.to_f
puts 3.14.to_s

Output: