*[Apex Design Patterns and Best Practices](http://www.gobookee.org/get_book.php?u=aHR0cDovL3d3dy5zdW5kb2dpbnRlcmFjdGl2ZS5jb20vd2hpdGVwYXBlcnMvU1VOX0NodWNrX0FwZXhkZXNpZ25wYXR0ZXJucy5wZGYKQXBleCBEZXNpZ24gUGF0dGVybnMgYW5kIEJlc3QgUHJhY3RpY2VzIC0gU3VuZG9n)
###Fortran
*[Fortran programming language - Wikibooks](http://en.wikibooks.org/wiki/Category:Fortran_programming_language)
*[Introduction to fortran 95 and numerical computing: a jump-start for scientists and engineers](http://people.cs.vt.edu/~asandu/Deposit/Fortran95_notes.pdf)