Lua language is just between Basic language and C++. This programming language is simple, flexible and fast. It allow developers to program complexes applications that can’t be programmed with Basic language. CPLua is an Add-In for ClassPad which include a Lua interpreter and many new functions then CPLua allow making some Lua applications directly on the calculator.

Officla Lua Website

Download CPLua

CPLua is a project then some bugs can appear. The most stable version is currently 0.8 version. The last version is 0.9D version which include some new tools and functions (including a new library which allow creating an manipulating graphical interface), this version contain probably some bugs then use it carefully by waiting 1.0 release version.