# Algebra

part of mathematics in which letters and other symbols are used to represent numbers and quantities in formulae and equation

**Algebra** is one of the broad parts of mathematics, together with number theory, geometry and analysis.

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## QuotesEdit

- Algebra is the offer made by the devil to the mathematician. The devil says: `I will give you this powerful machine, it will answer any question you like. All you need to do is give me your soul: give up geometry and you will have this marvellous machine.'
- Michael Atiyah (2004).
*Collected works. Vol. 6*. Oxford Science Publications. The Clarendon Press Oxford University Press. ISBN 978-0-19-853099-2.

- Michael Atiyah (2004).

- The historical associations of the word
*algebra*almost substantiate the sordid character of the subject. The word comes from the title of a book written by... Al Khowarizmi. In this title,*al-jebr w' almuqabala*, the word*al-jebr*meant transposing a quantity from one side of an equation to another and*muqabala*meant simplification of the resulting expressions. Figuratively,*al-jebr*meant restoring the balance of an equation... When the Moors reached Spain...*algebrista*... came to mean a bonesetter... and signs reading*Algebrista y Sangrador*(bonesetter and bloodletter) were found over Spanish barber shops. Thus it might be said that there is a good historical basis for the fact that the word*algebra*stirs up disagreeable thoughts.- Morris Kline,
*Mathematics and the Physical World*(1959), p. 69

- Morris Kline,

- [T]he sciences that are expressed by numbers or by other small signs, are easily learned; and... this facility rather than its demonstrability is what has made the fortune of algebra.