[ khwahr-iz-mee ]
/ ˈxwɑr ɪzˌmi /
al- [al] /æl/Muhammed ibn-Musa al-Khwarizmi, a.d. c780–c850, Arab mathematician and astronomer.
Why are zero and the letter “O” both circles? The answer involves both science and mysticismLong, long ago, typewriters made no distinction between the number 0 and the letter O. While the two share the same shape, the origin of both number and letter are quite different. Let’s look at the distinct astrological and optical inspirations that created these seemingly identical symbols. Derived from the Semitic letter ayin and inspired by the circular eye-shaped Egyptian hieroglyph for “eye,” the letter O …
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
al- Full name Muhammad ibn-Musa al-Khwarizmi 780?-850?
[ kwär′ĭz-mē ]
Arab mathematician and astronomer who compiled an early work on arithmetic and the oldest astronomical tables. His work was widely translated into Latin, introducing Arabic numerals and algebraic concepts to Western mathematics. The word algorithm is derived from his name.
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