Meanings of Hindu numeral in English

Not a whole number, pi instead has an unlimited succession of nonrepeating decimal digits; when truncated to include every Arabic numeral, pi looks like 3.14159265358979323846264338327950.

The Arabic numerals gradually supplanted in western Europe the awkward Roman numerals.

It was, that the original forms of the Arabic numerals were these:

He says Arabic numerals were not used in Christian Europe at that time.

Fibonacci popularized Hindu- Arabic numerals in Europe at the turn of the 13th century.