RPL/2 (Reverse Polish Lisp/2) is a langage derived from the RPL made by Hewlett-Packard for its HP-28S. It has some extensions (preprocessor, compilated libraries, new functions), a TeX output, and can draw graphics.
License: GNU General Public License (GPL)
Changes:
Some bugs due to a new garbage collector have been
fixed. New intrinsics
have been added (PEEK, POKE, WFPOKE, VERIFY, HEAD,
TAIL, REVLIST). A
PostgreSQL driver has been added. Context
management has been added
(CLRCNTXT, PSHCNTXT, PULCNTXT). All intrinsics are
now in an N-tree.