This document, written in February of 2011, outlines the development of the NCAR Graphics package and NCL over the time period 1964 to 2010. NCAR Graphics refers to the package of program libraries that dates to 1964 and, with many additions and augmentations, is still in use. In the fall of 1995... Show moreThis document, written in February of 2011, outlines the development of the NCAR Graphics package and NCL over the time period 1964 to 2010. NCAR Graphics refers to the package of program libraries that dates to 1964 and, with many additions and augmentations, is still in use. In the fall of 1995 a locally-developed interpreted language designed specifically for scientific data analysis and visualization was released. This package, known as NCL (the NCAR Command Language) incorporates much of the functionality of the NCAR Graphics libraries; it has been the main focus of development since its initial release. Show less