S-Lang is an interpreted language and a programming library. The S-Lang language was designed so that it can be easily embedded into a program to provide the program with a powerful extension language. The S-Lang library, provided in this package, provides the S-Lang extension language. S-Lang's syntax resembles C, which makes it easy to recode S-Lang procedures in C if you need to.
The library is available as 32-bit and 64-bit: