Brahmagupta
Brahmagupta was born c. 598, in Bhillamala, which was located in Northwestern India. The suffix "-gupta" probably indicated that the family belonged to the Vaisya caste (made up of mostly farmers and merchants). He likely lived the majority of his life in Ujjain, India, which at the time was the center of Hindu astronomy and mathematics. There he had access to the best observatory in India as well as the writings of many great scientists and mathematicians who came before him, such as Hero of Alexandria, Ptomely, Diophantus and Aryabhata. In his own work he drew heavily from these sources and often corrected their mistakes. At the age of 30, Brahmagupta wrote his first book, Brahma Sphuta Siddhanta. In 25 chapters this work explains much of his work in astronomy and mathematics. One of his greatest contributions that was revealed with the Brahma Sphuta Siddhanta was the defining of zero. He defined it as the result of subtracting a number from itself. Some of the properties he l
The product or quotient of a fortune and a debt is a debt. The product or quotient of two fortunes is one fortune. His mathematics was widely used by merchant society during his time and by 700, his work was introduced to the Arabs, who where involved in heavy trade with the Hindu's during that time. It was several centuries before European mathematics became aware of Brahmagupta's work, but his influence became great and still exists today. His death came at approximately 70 years old, c. 660. The product or quotient of two debts is one debt. The product of zero multiplied by a debt of fortune is zero. A fortune subtracted from zero is a debt. A debt subtracted from zero is a fortune. Brahmagupta also made great contributions with his work on negative numbers and intermediate equations. Another of his major accomplishments was a formula he created now called Brahmagupta's formula. He also completed a second book near the end of his life called Khandakhadyaka. Without h
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Approximate Word count = 670
Approximate Pages = 3 (250 words per page double spaced)
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