This is the REDUCE - symbolic mathematics system. REDUCE has two modes of
operation: the algebraic mode, which deals with polynomials and mathematical
functions in a simple procedural syntax, and the symbolic mode, which allows
Lisp-like syntax and operations.

REDUCE is a system for carrying out algebraic operations accurately, no
matter how complicated the expressions become. It can manipulate polynomials
in a variety of forms, both expanding and factoring them, and extract
various parts of them as required. REDUCE can also do differentiation and
integration. It have many options that are available for varying
computational procedures, output forms, number systems used, and so on.

REDUCE is designed to be an interactive system, so that the user can input
an algebraic expression and see its value before moving on to the next
calculation.  For those systems that do not support interactive use, or
for those calculations, especially long ones, for which a standard script
can be defined, REDUCE can also be used in batch mode. In this case,
a sequence of commands can be given to REDUCE and results obtained
without any user interaction during the computation.

• Eugeny A. Rostovtsev (REAL)

• fonts-ttf-reduce
• fonts-type1-reduce
• reduce
• reduce-doc