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See arithmetic

*‘In this Thabit deals with arithmetical operations applied to ratios of geometrical quantities.’**‘The necessary background mathematical tools are then introduced such as the arithmetical operations on sexagesimal fractions and the trigonometric functions.’**‘Babylonian mathematics went far beyond arithmetical calculations.’**‘He has two types of algebra, arithmetical algebra and symbolic algebra.’**‘Mahler regretted that, apart from his own work, little interest had been shown by 20th century mathematicians in the study of arithmetical properties of decimal expansions.’*

**Pronunciation**

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