Few Good Learning Resources and Useful Websites to Learn and Practice Python

1.  https://www.learnpython.org
2. https://www.python.org
3. https://www.tutorialspoint.com/python/
4. https://www.programiz.com/python-programming
5. Online and On Site
6. Learn R, Python & Data Science Online | DataCamp
7. Solve Python Code Challenges - Hackerrank
8.  The Hitchhiker’s Guide to Python
9. codewars.com
10. NPTEL 

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Few Good Websites to Learn C Programming Step by Step from the "Intermediate" level to the "pro" Level

There are so many websites to learn C programming. Here are some good websites from where you can learn C programming online. 

1. C Programming
2. C and C++ Programming Resources
3. Learn C Programming Language Step By Step - c4learn.com
4. C Tutorial - Learn C - Cprogramming.com
5. C Tutorial by Tutorialspoint
6. Learn C Programming
7. Learn C - Free Interactive C Tutorial by learn-C and provides on page compiler to test your code
8. Learn C - Easy C programming Tutorial -Trytoprogram Tutorials and Examples 
9. C programming Tutorial - Tutorials School 
10. Stack Over Flow
11. NPTEL

Few other websites: 

I suggest you first solve the basic coding problems from HackerRank and About - Project Euler. They will feel easy but just keep going through them.  Use this site when you get a little experienced. -http://www.codewars.com/

When you gain enough experience from those two sites. Then go to sites like for advanced competitive coding.topcoder  ,  codechef.comProgramming Competition,Programming Contest,Online Computer Programming

Keep in mind that the last two sites are for pure competitive coding and enter there only when you have had enough experience or you will be depressed very quickly.

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WB SET Mathematical Sciences Previous Year Question Papers

West Bengal State Eligibility Test (WB SET) Exam Conducted By West Bengal College Service Commission (WB CSC).  Here you can find all of the WB SET Mathematical Sciences Previous Year Question Papers are Free of Cost. Check out the links given below: -

•  Mathematical Sciences Paper-II(2010)
•  Mathematical Sciences Paper-III(2010)

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CSIR NET Mathematical Sciences Previous Years Question Papers with Answer Keys (2011-2017)

Check out the links given below, from where you can download CSIR UGC NET/JRF question papers with answers CSIR-UGC NET Exam for Mathematical Science stream is conducted by CSIR in the following : -

Joint CSIR UGC NET Mathematical Sciences Exam Question Papers & Answer Keys
Exam Date		Mathematical Sciences with Answer Keys
2017	December
	June	A | B | C
2016	December	A | B | C+ Key
	June	A | B | C+ Key
2015	December	A | B | C+ Key
	June	A | B |C+ Key
2014	December	A | B | C+ Key
	June	A | B | C+ Key
2013	December	A | B | C+ Key
	June	A | B | C+ Key
2012	December	A | B | C+ Key
	June	A | B | C+ Key
2011	December	A | B | C+ Key
	June	A | B | C+ Key

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GATE Mathematics Previous Years Question Papers with Answer Keys (1996-2017)

GATE Question Papers with Answer Keys        

Years		Questions
2017		MA: Mathematics+Key
2016		MA: Mathematics+Key
2015		MA: Mathematics+Key
2014		MA: Mathematics+Key
2013		MA: Mathematics+Key
2012		MA: Mathematics+Key
2011		MA: Mathematics+Key
2010		MA: Mathematics
2009		MA: Mathematics
2008		MA: Mathematics
2007		MA: Mathematics
2006		MA: Mathematics
2005		MA: Mathematics
2004		MA: Mathematics
2003		MA: Mathematics
2002		MA: Mathematics
2001		MA: Mathematics
2000		MA: Mathematics
1999		MA: Mathematics
1998		MA: Mathematics
1997		MA: Mathematics
1996		MA: Mathematics

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Some Books on Quantum Computing Algorithms

 I would like to share some books on Quantum Computing Algorithms. These books are relatively light book that will teach you the basics of theoretical computer science, quantum mechanics and other topics in a fun and intuitive way, without going into much detail in terms of proofs, definitions and so on.

1. An introduction to quantum computing [Phillip Kaye]
2. Quantum Computation and Quantum Information- 10th Anniversary Edition [Michael A. Nielsen, Isaac L. Chuang]
3. Problems and Solutions in Quantum Computing and Quantum Information [ W.-H Steeb and Yorick Hardy]
4. An Introduction to Quantum Computing Algorithms [Arthur O. Pittenger]
5.  Computing with Cells and Atoms- An Introduction to Quantum, DNA and Membrane Computing [Cris Calude, Gheorghe Paun]
6. An Introduction to Quantum Computing for Non-Physicists [Eleanor Rieffel] 
7. Course Information for Physics 219/Computer Science 219 Quantum Computation(Formerly Physics 229) : John Preskill

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Basic Algebraic Topology and its Applications Authors: Adhikari, Mahima Ranjan

This book provides an accessible introduction to algebraic topology, a field at the intersection of topology, geometry and algebra, together with its applications. Moreover, it covers several related topics that are in fact important in the overall scheme of algebraic topology. Comprising eighteen chapters and two appendices, the book integrates various concepts of algebraic topology, supported by examples, exercises, applications and historical notes. Primarily intended as a textbook, the book offers a valuable resource for undergraduate, postgraduate and advanced mathematics students alike.
Focusing more on the geometric than on algebraic aspects of the subject, as well as its natural development, the book conveys the basic language of modern algebraic topology by exploring homotopy, homology and cohomology theories, and examines a variety of spaces: spheres, projective spaces, classical groups and their quotient spaces, function spaces, polyhedra, topological groups, Lie groups and cell complexes, etc. The book studies a variety of maps, which are continuous functions between spaces. It also reveals the importance of algebraic topology in contemporary mathematics, theoretical physics, computer science, chemistry, economics, and the biological and medical sciences, and encourages students to engage in further study.

Source: here

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Mathematical and Statistical Applications in Life Sciences and Engineering Editors: Adhikari, Avishek, Adhikari, Mahima Ranjan, Chaubey, Yogendra Prasad (Eds.)

The book includes articles from eminent international scientists discussing a wide spectrum of topics of current importance in mathematics and statistics and their applications. It presents state-of-the-art material along with a clear and detailed review of the relevant topics and issues concerned. The topics discussed include message transmission, colouring problem, control of stochastic structures and information dynamics, image denoising, life testing and reliability, survival and frailty models, analysis of drought periods, prediction of genomic profiles, competing risks, environmental applications and chronic disease control. It is a valuable resource for researchers and practitioners in the relevant areas of mathematics and statistics.

Source : here

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Basic Modern Algebra with Applications Authors: Adhikari, Mahima Ranjan, Adhikari, Avishek

The book is primarily intended as a textbook on modern algebra for undergraduate mathematics students. It is also useful for those who are interested in supplementary reading at a higher level. The text is designed in such a way that it encourages independent thinking and motivates students towards further study. The book covers all major topics in group, ring, vector space and module theory that are usually contained in a standard modern algebra text.

In addition, it studies semigroup, group action, Hopf's group, topological groups and Lie groups with their actions, applications of ring theory to algebraic geometry, and defines Zariski topology, as well as applications of module theory to structure theory of rings and homological algebra. Algebraic aspects of classical number theory and algebraic number theory are also discussed with an eye to developing modern cryptography. Topics on applications to algebraic topology, category theory, algebraic geometry, algebraic number theory, cryptography and theoretical computer science interlink the subject with different areas. Each chapter discusses individual topics, starting from the basics, with the help of illustrative examples. This comprehensive text with a broad variety of concepts, applications, examples, exercises and historical notes represents a valuable and unique resource.

Source: here

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NBHM MA/ MSc. Scholarship test : Previous Years Question Papers and Keys

NBHM MA/MSc Scholarship Tests -  Previous Years Question Papers and Keys 

1. October 2005                         - Key Oct. 2005

2. September 2006                    -  Key Sep. 2006

3. September 2007                    -  Key Sep. 2007

4. September 2008                    -  Key Sep. 2008

5. September 2009                    -  Key Sep. 2009

6. September 2010                    -  Key Sep. 2010

7. September 2011                    -  Key Sep. 2011

8. September 2012                    -  Key Sep. 2012

9. September 2013                    -  Key Sep. 2013

10. September 2014                  -  Key Sep. 2014

11. September 2015                  -  Key Sep. 2015

12. September 2016                 -   Key Sep. 2016

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NBHM Ph.D. Scholarship test : Previous Years Question Papers and Keys

NBHM PhD Scholarship Test Previous Years Question Papers and Keys

1. June 2005                            -  Key June 2005

2. February 2006                      -  Key Feb. 2006

3. January 2007                        -  Key Jan. 2007

4. February 2008                      -  Key Feb. 2008

5. January 2009                        -  Key Jan. 2009

6. January 2010                        -  Key Jan. 2010

7. January 2011                        -  Key Jan. 2011

8. January 2012                        -  Key Jan. 2012

9. January 2013                         - Key Jan. 2013

10. January 2014                       - Key Jan. 2014

11. January 2015                       - Key Jan. 2015

12. January 2016                       - Key Jan. 2016

13. January 2017                       - Key Jan. 2017

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Some Books on Quantum Computing Algorithms

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