"I hear and I forget; I see and I remember; I do and I understand."
Wouldn't it be nice if it were that simple - clearly they did not know
about the subtle art of debugging.

So, I'm trying to hack at the math module.
Expected:
>> Math.sqrt(2)
=> sqrt(2)
Actual result, mileage does not vary:
>> Math.sqrt(2)
=> 1.4142135623731

require 'mathn'
module Math
  alias :old_sqrt :sqrt
  def sqrt x
    result = old_sqrt x
    if result.is_a? Float
      "sqrt(#{x})"
    else
      result
    end
  end
end

puts Math.sqrt(2)

I had originally not attempted an alias, I just did "result = super x"
but it didn't really amount to much, either.
Where am I thinking about this wrong?
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