Estimating software attributes: some unconventional points of view

Permission to copy: General permission is granted to my professional colleagues to copy and spread this article or parts of it, with full crediting. A copy of translations or other typesettings or quotations or references would be appreciated by the author. Scope I believe that the following principles apply to all quality and resource attributes of any system. I will concentrate my attention on the issue of software system estimation. But, I expect many readers to be equally interested in the application of these principles to design organizational change or to hardware product design.