update v0.1.8

Author: Nelson-numerical-software

README.md

@@ -14,7 +14,7 @@
 
 ## [Free](https://nelson-numerical-software.github.io/nelson-website/COPYING.md) Scientific Software Package
 
-The aim of Nelson is providing a powerful open computing environment for engineering and scientific applications using modern C/C++ libraries (Boost, Eigen, ...) and others state of art numerical libraries. 
+The aim of Nelson is providing a powerful open computing environment for engineering and scientific applications using modern C/C++ libraries (Boost, Eigen, FFTW, ...) and others state of art numerical libraries. 
 
 It has sophisticated data structures (including cell, struct, linear systems...), an interpreter and a high level programming language.