You're talking out of both sides of your mouth. You state that the europeans my team collaborates with in engineering builds of complex machines are nothing but commies, but use your experience with them as evidence of the effectiveness of dozinal. make up your mind. Regardless, I couldn't care less. A system based on 10 is vastly superior as it allows for much quicker and much more innate calculations. 1/10th of 50 is 5. 1/12th of 125.5 ...is....who the fuck cares; i'll use metric and get 12.55.