Arabic numerals are called that because the European
interpretation of those numbers comes from the Arabs. The numerals
are called Arabic numerals (even though they do not resemble modern
Arabic numerals in the slightest) to distinguish them from Roman
numerals.
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30 in Arabic numerals is ٣٠
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Most people in Afghanistan use an eastern version of the
Hindu-Arabic numerals. The western Arabic numerals, the same ones
used in English-speaking countries, are also widely used in
Afghanistan.
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The Roman numerals lvi or LVI converted into Arabic numerals are
56