Simple Symbolic Expression Evaluator ------------------------------------ SSEE is a simple LISP interpreter written in C++. It supports 6 different basic data types viz. Integer, String, Boolean, None, Symbol and a composite data type, Cons. SSEE also supports first-class functions ie. It treats functions as first-class objects allowing them to be passed as parameters, returned from another function or assigned to variables. The current implementation supports 13 different builtin functions.