## Al-Khwarizmi: The Inventor of AlgebraAl-Khwarizmi is arguably the most important mathematician of the Middle Ages. He developed two distinct branches of mathematics, both of which owe their name to him: algebra and algorithms. This carefully crafted biography shines a long-overdue light on these achievements, documents Khwarizmi's contributions to geography and astronomy, and paints a picture of life in the ninth-century Muslim Empire. Supports history-social science context standards mandating exploration of intellectual exchanges and contributions of Muslim scholars, and their influence on the science, geography, mathematics, philosophy, and medicine of later civilizations. |

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This book pays homage to an often overlooked genius. All algebra students should read this book to appreciate the origins of algebra.

### Contents

Baghdad During the Golden Age of Islam | 12 |

AlKhwarizmis Life | 30 |

The Invention of Algebra | 49 |

An Astronomer and Geographer | 69 |

AlKhwarizmis Legacy | 88 |

Timeline | 99 |

Glossary | 101 |

For More Information | 103 |

105 | |

106 | |

108 | |

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### Common terms and phrases

Abbasid dynasty Adelard al-Biruni al-Farghani's Al-Jabr wal al-Khayyam al-Khwarizmi Al-Khwarizmi wrote Al-Khwarizmi's treatise al-Kindi al-Mamun al-Mutasim Al-Mutawakkil al-Wathiq Almagest ancient Arabia Arabic astrolabe astrology Babylonians Baghdad Banu Musa Banu Musa brothers began branch of mathematics calculations caliph celestial bodies computing cultures dirham Earth Egyptians Euclid's Elements Euphrates rivers Europe famous Geography geometry Georges Ifrah golden age Greek astronomers Harun al-Rashid Hindi numerals historian History of Numbers House of Wisdom Indian influential invention of algebra Jafar Muhammad Jewish calendar Khwarizmi's Kitab al-Jabr Kitab al-Jabr wal-Muqabala knowledge known Latin translation legacy madrassas Mamun manuscript mathe mathematicians Mecca mihna Muqabala Muslim astronomers Muslim Empire Muslim scholars Muslim scientists ninth century observatory Persian philosopher place value system Ptolemy Ptolemy's quadratic equations region reign religious Sassanid scientific Sindhind stars studied sultan system of numbers texts Tigris tions translated and preserved translated into Latin treatise on Hindi Umayyad writing Zoroastrian