Dr kaprekar biography

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Quick Info

Born

1821
Panipat, India

Died

11 August 1880
Delhi, India

Summary

Ramchundra was an Indian mathematician whose book, Treatise on Problems of Maxima and Minima, was promoted by De Morgan.

Biography

Ramchundra's father, Rai Sunder Lal Mathur, was employed in the Indian revenue department and, at the time of Ramchundra's birth, he had been posted to Panipat which is a city in north west of India about 70 km from Delhi. In fact the family came from Delhi and they were of the Kayastha caste, that is a Hindu caste of scribes who worked in the Indian bureaucracy. Ramchundra's early education was at home, a standard for India at that time, but he also attended school in Panipat from the age of six. The family moved back to Delhi but Ramchundra's father Sunder Lal died in 1831 leaving the family in a very difficult financial position. Ramchundra's mother had to care for six young boys.

Ramchundra married a deaf and dumb girl in 1832 when he was eleven years old. This is a very early age for, at this time most Indian girls married around the age of f

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Dattatreya Ramachandra Kaprekar

D R Kaprekar was born in Dahanu, a town on the west coast of India about 100 km north of Mumbai. He was brought up by his father after his mother died when he was eight years old. His father was a clerk who was fascinated by astrology. Although astrology requires no deep mathematics, it does require a considerable ability to calculate with numbers, and Kaprekar's father certainly gave his son a love of calculating.

Kaprekar attended secondary school in Thane (sometime written Thana), which is northeast of Mumbai but so close that it is essentially a suburb. There, as he had from the time he was young, he spent many happy hours solving mathematical puzzles. He began his tertiary studies at Fergusson College in Pune in 1923. There he excelled, winning the Wrangler R P Paranjpe Mathematical Prize in 1927. This prize was awarded for the best original mathematics produced by a student and it is certainly fitting that Kaprekar won this prize as he always showed great originality in the number theoretic questions he thought up. He graduated with a B.S

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D. R. Kaprekar

Indian recreational mathematician (1905–1986)

Dattatreya Ramchandra Kaprekar (Marathi: दत्तात्रेय रामचंद्र कापरेकर; 17 January 1905 – 1986) was an Indian recreational mathematician who described several classes of natural numbers including the Kaprekar, harshad and self numbers and discovered the Kaprekar's constant, named after him.^[1] Despite having no formal postgraduate training and working as a schoolteacher, he published extensively and became well known in recreational mathematics circles.^[2]

Education and work

Kaprekar received his secondary school education in Thane and studied at Fergusson College in Pune. In 1927, he won the Wrangler R. P. Paranjpye Mathematical Prize for an original piece of work in mathematics.^[3]

He attended the University of Mumbai, receiving his bachelor's degree in 1929. Having never received any formal postgraduate training, for his entire career (1930–1962) he was a schoolteacher at the government junior school in Devlali Maharashtra, India. Cycling from place to place