Roman abacus Directory References Discover 6 Cultures That Recognize More than Two Genders What If the President Is Impeached? 6 of the World's Most Dangerous Birds Russian Revolution Timeline 7 Celebrities You Didn’t Know Were Inventors 9 Animals That Look Like Leaves What’s the Difference Between Bison and Buffalo? Contents Roman abacus calculating device Ask the Chatbot a Question Ask the Chatbot a Question Learn about this topic in these articles:description In abacusIn the Roman abacus the board was given grooves to facilitate moving the counters in the proper files. Another form, common today, has the counters strung on wires.Read More
