| It is likely that there are other uses of the Mayan vigesimal system that haven't even been discovered yet. |
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| Everywhere else it is combined either with the decimal or the vigesimal system. |
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| The Ainu of Japan and the Eskimos of Greenland are two of the peoples who make use of vigesimal systems to the present day. |
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| The decimal system is more commonly used now, although certain words from the older vigesimal system are still in common usage, especially when telling the time. |
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| Yet traces of the vigesimal system linger, says Bernard Helffer, president of the Société Mathématique de France. |
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| Numbers from thirty-one to thirty-nine have two forms, depending if they follow the previous vigesimal rule or the new decimal one. |
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| Although it was a base 20 system, called a vigesimal system, one can see how five plays a major role, again clearly relating to five fingers and toes. |
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| The traditional system is called vigesimal where you use 20 as the base. |
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| In a perfect vigesimal system of numeration, the third term should be 400 but the Maya took 18 X 20 because 360 was a closer approximation to the length of the solar calendar. |
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| When written horizontally, the bars are placed vertically and the dots go to their left and higher vigesimal positions grow to the left of the first entry. |
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| The long count calendar, one of several used by the Mayans, is based on a vigesimal system, using units of 20 k'in, or days. |
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| Half the drinkers counted in the decimal system, the other half in the older vigesimal system, aiming to see which side could reach 200 first. |
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| The Mesoamerican language area shares a number of important features, including widespread loanwords, and use of a vigesimal number system. |
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| Each succeeding level of multiplication followed the vigesimal system. |
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