Analysis of information sources in references of the Wikipedia article "Numerical digit" in English language version.
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.
units or ones place
The Okspamin body system includes 27 body parts...
...even notches cut into sticks made out of wood, bone or other materials dating back 30,000 years (often referred to as "notched tallies").
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: CS1 maint: location missing publisher (link)And so, by the beginning of the third millennium B.C., the Sumerians and Elamites had adopted the practice of recording numerical information on small, usually rectangular clay tablets
The advantages of a modular representation are that addition, subtraction, and multiplication are very simple
The first safely dated instance in which the use of Hebrew alphabetic numerals is certain is on coins from the reign of Hasmonean king Alexander Janneus(103 to 76 BC)...