Added "Financial Numerical Recipes in C++"

free-programming-books.md

@@ -592,6 +592,7 @@
 * [C++ Annotations](http://cppannotations.sourceforge.net/)
 * [C++ GUI Programming With Qt 3](http://www.computer-books.us/cpp_0010.php)
 * [CS106X Programming Abstractions in C++](http://www.stanford.edu/class/cs106x/)
+* [Financial Numerical Recipes in C++](http://finance.bi.no/~bernt/gcc_prog/recipes/) - Bernt Arne Ødegaard
 * [Matters Computational: Ideas, Algorithms, Source Code, by Jorg Arndt](http://www.jjj.de/fxt/fxtbook.pdf) (PDF)
 * [Software optimization resources by Agner Fog](http://www.agner.org/optimize/)
 * [Thinking in C++, Second Edition, Vol. 1.](http://www.mindviewinc.com/downloads/TICPP-2nd-ed-Vol-one.zip) [(Vol. 2)](http://www.mindviewinc.com/downloads/TICPP-2nd-ed-Vol-two.zip) - Bruce Eckel