
Are numerals Arabic? Indian origin and spread | Tangente
Are numerals Arabic?
What most people know of Arab-Islamic mathematics is, above all, the “Arabic numerals”… which are not Arabic at all!


What most people know of Arab-Islamic mathematics is, above all, the “Arabic numerals”… which are not Arabic at all!


Articles recommended for you.

Today, we use "Arabic numerals" to refer to what the Arabs themselves called "Indian numerals." Other numeral systems predated these numerals—the ancestors of our own—and even continued to coexist with them after their introduction.

Al-Khwārizmī is widely known as the father of algebra or as the scholar who introduced Indian numerals to the Arab world. Less well known is that the manuscript of his Livre de l’addition et de la soustraction d’après le calcul indien (Book of Addition and Subtraction According to Indian Arithmetic) is now lost.

Describing quantities in terms other than "few" or "many," comparing them, manipulating them without touching or seeing them… All this depends on numbers. Numbers have preoccupied humankind since prehistoric times. So what is the story of the invention that changed the face of the world: numeral systems?

Indian numerals passed through Islamic lands as early as the eighth century (see Tangente special issue 93), then naturally made their way to Spain. There was just one problem: in the medieval West, zero was systematically left out! This failure to grasp the decimal positional system would cause a delay of a good century and a half…
Discussion
Sign in to post a comment and talk with other readers.
No comments yet. Be the first to respond.