Arabic numerals
The first mentions of the numerals in the West are found in the "Codex Vigilanus" of 976.
Arabic numerals
In 825 Al-Khwārizmī wrote a treatise in Arabic, "On the Calculation with Hindu Numerals", which survives only as the 12th-century Latin translation, "Algoritmi de numero Indorum". "Algoritmi", the translator's rendition of the author's name, gave rise to the word "algorithm".