Arabic numerals
The first mentions of the numerals in the West are found in the "Codex Vigilanus" of 976.
Decimal
The Egyptian hieratic numerals, the Greek alphabet numerals, the Hebrew alphabet numerals, the Roman numerals, the Chinese numerals and early Indian Brahmi numerals are all non-positional decimal systems, and required large numbers of symbols. For instance, Egyptian numerals used different symbols for 10, 20, to 90, 100, 200, to 900, 1000, 2000, 3000, 4000, to 10,000.
The world's earliest positional decimal system was the Chinese rod calculus.