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  Developed positional number system
 Famous tablet Plimpton 322 illustrates their ideas.
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  Represented Algebraic concepts with the sides of geometric figures.
 Published in Euclid's Elements
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  Muhammad ibn Mūsā al-Khwārizmī wrote Al-Jabr
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  Persain who initiated the use of functions in algebra
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  Made significant advancements to dynamic solving of functions
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