Analysis of information sources in references of the Wikipedia article "Αριθμητικό ψηφίο" in Greek language version.
units or ones place
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(βοήθεια)units' or ones' place
units' or ones' place
units' or ones', digit
ones or units digit
ones, or units, digit
every two-digit number can be expressed as 10t+u when t is the tens digit
Maya astronomy finely calculated both the duration of the solar year and the synodical revolution of Venus
… definitely before 400 BC they possessed a similar positional notation based on the ancient counting rods.
True, if you open a modern mathematical journal and try to read any article, it is very probable that you will see no numbers at all.
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(βοήθεια)