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Article

Introduction to the Kalzium software

Jerome Pansanel  (21 April 2007)

Description. Kalzium is a free software that displays an interactive periodic system of the elements. It’s integrated to the K Desktop Environment (KDE). Many informations about each element are available. They can be easily displayed on a graph. The Kalzium software is used worldwide by schools and universities, like the Max-Planck-Institut für Kernphysik, the Oxford University and the Sorbonne.

Features. Kalzium has many features:
- each element is colored by acidity, physical state, groups, ...
- a time line show the discover of the elements
- many informations can be printed for each elements (discovery date, weight, electronegativity, ionisation energies, melting and boiling points, atom radius, ...)
- drawing of the atom model
- picture of the element
- diagram rendering of some values

PNG - 82.3 kb
Snaphot of Kalzium

Development. The development of Kalzium is lead by Carsten Niehaus and is part of the KDE-Edu project. Kalzium is released under the GNU Public License v2 and the last stable version (1.4.6) has been released with KDE 3.5.6 on 2007-01-25.

Kalzium has already some nice features but there is still a lot of things to do. As Kalzium has been included in KDE 3.1, many code is currently produce to bring in some new and nice features and make it as fast and usefull as possible. The next major version of Kalzium will be released with KDE 4.0. Here’s an overview of the new features, available either in v4.0 or v4.1:
- export to HTML and CSV
- new options for plotting
- view for the natural occurrence of the elements
- KHotNewStuff support
- new views for the periodic table of the elements

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