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Q - Equational programming language

Q (which stands for 'equational') is a functional programming language based on the term rewriting calculus. You specify a system of equations which the interpreter uses as rewrite rules to reduce expressions to normal form. Q lets you formulate programs in a high-level, declarative style. It is useful for scientific programming and other advanced applications, and also as a sophisticated kind of desktop calculator.

Features include advanced symbolic expression manipulation, a fast bytecode interpreter, a collection of built-in types, support for lazy evaluation, exception handling, and multithreading, a libtool-based C interface, a standard library with various list processing functions, and add-on modules for interfacing with other programs.



Obtaining

Web pagehttp://www.musikwissenschaft.uni-mainz.de/~ag/q/
Source tarballhttp://www.musikwissenschaft.uni-mainz.de/~ag/q/q-5.3.tar.gz
Version 5.3 (stable) released on 2004-04-15
Licensed under The GNU General Public License, Version 2 or later.
This is not a GNU package.

Documentation
User manual available in HTML format from http://www.musikwissenschaft.uni-mainz.de/~ag/q/qdoc.html; User manual available in PDF format from http://www.musikwissenschaft.uni-mainz.de/~ag/q/qdoc.pdf; User FAQ available in HTML format from http://www.musikwissenschaft.uni-mainz.de/~ag/q/FAQ.html; User README available in HTML format from http://www.musikwissenschaft.uni-mainz.de/~ag/q/README
Support contacts

Help List<ag@muwiinfa.geschichte.uni-mainz.de>
Developer List<ag@muwiinfa.geschichte.uni-mainz.de>
Bug List<ag@muwiinfa.geschichte.uni-mainz.de>

Project contacts

Maintainers
Developers

Related information

Interfacescommand line
Programsq (interpreter), qc (bytecode compiler), qcc (module compiler), qld (module linker)
Source languagesC, Q
Use requirementsGNU multiprecision library (GMP) 3.0 or later
Build prerequisitesGNU multiprecision library (GMP) 3.0 or later
Weak prerequisitesEmacs (Q mode), Tcl/Tk (Tk module), GNU Octave (Octave module), IBM Open Data Explorer (DX module)
Related programsQ-Midi

Entry information

License verified byJanet Casey <jcasey@gnu.org> on 2002-07-03
Entry compiled byJanet Casey <jcasey@gnu.org>

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