Added a book - Introduction to Scientific Programming in C++ and Fortran 2003 (#3903)

* Added a book - Introduction to Scientific Programming in C++ in Fortran 2003.

* Removed year from title.

* Update free-programming-books.md

free-programming-books.md

@@ -610,6 +610,7 @@
 * [Image Processing in C: Analyzing and Enhancing Digital Images](http://homepages.inf.ed.ac.uk/rbf/BOOKS/PHILLIPS/) - Dwayne Phillips
 * [Industrial Cybersecurity](https://www.packtpub.com/free-ebooks/industrial-cybersecurity) - Pascal Ackerman (Packt account *required*)
 * [Information Technology and the Networked Economy](http://florida.theorangegrove.org/og/file/49843a6a-9a9d-4bad-b4d4-d053f9cdf73e/1/InfoTechNetworkedEconomy.pdf) (PDF)
+* [Introduction to Scientific Programming in C++ and Fortran](https://web.corral.tacc.utexas.edu/CompEdu/pdf/isp/EijkhoutIntroSciProgramming-book.pdf) - Victor Eijkhout (PDF)
 * [IRPF90 Fortran code generator](https://www.gitbook.com/book/scemama/irpf90/details) - Anthony Scemama
 * [Learn Programming](https://progbook.org) - Antti Salonen
 * [Learn to Program](https://pine.fm/LearnToProgram/)