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Ahmad Apriyanto
Graduate of Mathematics Education from Faculty of Education Universitas Siswa Bangsa Internasional (USBI), the transformation of Sampoerna School of Education (SSE) Jakarta.
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Saturday, September 28, 2013

Historical Sketch Report Form of Srinivasa Ramanujan

Created by Ahmad Apriyanto, Novi Handayani, Iis Rosita 
picture source (click here)
Mathematician’s Name : Srinivasa Ramanujan (shree–ni–VA–sa   rah–MAH–nuh–jun)
Date of Birth : Desember 22nd, 1887
Place of Birth : Erode, India
Date of Death : April 26th, 1920
Place of Death : India
Three events in the mathematician’s life – date also if known
1.    Often winning Mathematics contest since he was child.
2.    In 1904, he received a merit scholarship in a local college and became more indulgent into mathematics. He lost his interest in all other subjects due to which he lost his scholarship. Even after two attempts, he did not succeed to get a first degree in the field of arts.
3.    In 1909, he married Srimathi Janaki and continued his clerical work and, side by side, his investigations of mathematics. Moreovere, there was someone who was supported their life – Ramanchadra Rao. He was often use scrap wrapping paper from his office to do calculations.
4.    In 1911, he published some of his results.
5.    In January 1913, he sent his paper to a Cambridge Professor named Godfrey Hardy but he did not appreciate Ramanujan’s work much as he had not really done reached the standard of the mathematicians of the west. But Rahmanujan was given a scholarship in May by the University of Madras.
6.    In the same time, Hardy offered Rahmanujan scholarship – all expenses paid – to study at Trinity College. After some reasons, he moved to England and sent his wife and his mother to a nearby town. He had to take care of his personal needs himself in England.
7.    He had dilemma in choosing the offered scholarship from Hardy or the scholarship of University of Madras because of his religion – Hindu, he was a Brahmin caste.
8.    Ramanujan went to Cambridge in 1914 and it helped him a lot but by that time his mind worked on the patterns on which it had worked before and he seldom adopted new ways. He and Hardy collaborated on many articles and published in Europan journal.
9.    He got elected as the fellow in 1918 at the Trinity College at Cambridge & the Royal Society.
10.     After 3 years in England, he became sick – a mysterious ill – and after 6 years in England he decided to go back to India. A year after, he died because of the ilness.
Three accomplishments in mathematics
1.    He was very well known for his efforts on continued fractions and series of hypergeometry.
2.    When he was thirteen, he could work out Loney’s Trigonometry exercises without any help.
3.    At the of fourteen, he was able to acquire the theorems of cosine and sine given by L. Euler.
4.    In 1903, he had a book – Synopsis of Elementary Results in Pure and Applied Mathematics by George Shoobridge Carr – it helped him a lot and opened new dimensions to him which helped him introduce about 6,165 theorems for himself.
5.    Rahmanujan and Hardy’s project was called partitioning. They found out how many ways an integer can be expressed as the sum of others integers. For example, the number 4 can be expressed as the sum of 1+3, 1+1+2, 1+1+1+1, 2+2, and 4 itself, for a total of 5 ways. Finally, they came out with the formula of partitioning the large numbers.
6.    Discovering simple but accurate ways of approximating the value of pi. Archimedes and Newton made significant progress on it, but high-speed computers could not calculate pi to the accuracy of million decimal places without using Rahmanujan’s formula

Three facts of  interest your mathematicians
1.    He learned mathematics by himself without any guidance since he was child and often won mathematics contest.
2.    He was so confident since he was child and wanted to be famous someday.
3.    He had a unique way of making complex problems simpler.
Sources
R. Luetta & R. Wilbert. (1990). Mathematicians Are People, Too. USA: Dale Seymour Publication
http://www.famousscientists.org/srinivasa-ramanujan/

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