my life after graduate: Greatest Invebtions, Vol 14

Thursday, January 18, 2007

Greatest Invebtions, Vol 14

Numerical Numbering

The system of numbering in use all round the world is probably Indian in origin but the style of the numerals is Arabic and first appears in print in the work of the Muslim mathematicians al-Khwarizmi and al-Kindi around 825. Algebra was named after al-Khwarizmi's book, Al-Jabr wa-al-Muqabilah, much of whose contents are still in use. The work of Muslim maths scholars was imported into Europe 300 years later by the Italian mathematician Fibonacci. Algorithms and much of the theory of trigonometry came from the Muslim world. And Al-Kindi's discovery of frequency analysis rendered all the codes of the ancient world soluble and created the basis of modern cryptology.

1 comments:

Anonymous said...

16th President of the United States is most famous for his roles in preserving the Union and ending slavery in the United States with the Emancipation Proclamation and the Thirteenth Amendment to the United States Constitution.

Historians have argued that Lincoln had a lasting influence on U.S. political and social institutions, importantly setting a precedent for greater centralization of powers in the federal government and the weakening of the powers of the individual state governments.

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