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Kalkulon is a plattform-independent scientific expression calculator. It has a C-like expression syntax and its own small programming language. The GUI version is written for Qt 4.2 (or later) and supports nice syntax coloring even for single digits in larger numbers. The console version supports the readline library. Full HTML documentation and programming examples.


Online reference guide at


Download version (stable)
released on 5 February 2009



LicenseVerified byVerified onNotes
GPLv2Kelly Hopkins5 February 2009
GPLv3Kelly Hopkins5 February 2009

Leaders and contributors

Juergen Holetzeck Maintainer

Resources and communication

Software prerequisites

Kind Description
Required to use Qt 4.2
Required to use readline
Required to build Qt 4.2
Required to build readline

This entry (in part or in whole) was last reviewed on 7 June 2007.


Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the page “GNU Free Documentation License”.

The copyright and license notices on this page only apply to the text on this page. Any software or copyright-licenses or other similar notices described in this text has its own copyright notice and license, which can usually be found in the distribution or license text itself.

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