Ray Greaves1 
Member since Aug 15, 2009



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Re: “Numbers: Roman, East Arabic and Arabic

Although the Romans written form of numeric values was clumsy, they were cognizant of a decimal place value system including a null value for any decade. This immediately apparent with the first look at a Roman bronze abacus which was the first example of a practical "pocket calculator". Have a look at this Wikipedia article. http://en.wikipedia.org/wiki/Roman_abacus

Posted by Ray Greaves on 08/15/2009 at 2:42 PM

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