**[應用程式列表](/index.php/List_of_Applications_(%E6%AD%A3%E9%AB%94%E4%B8%AD%E6%96%87) "List of Applications (正體中文)")**

* * *

[網路](/index.php/List_of_Applications/Internet_(%E6%AD%A3%E9%AB%94%E4%B8%AD%E6%96%87) "List of Applications/Internet (正體中文)") – [多媒體](/index.php/List_of_Applications/Multimedia_(%E6%AD%A3%E9%AB%94%E4%B8%AD%E6%96%87) "List of Applications/Multimedia (正體中文)") – [工具](/index.php/List_of_Applications/Utilities_(%E6%AD%A3%E9%AB%94%E4%B8%AD%E6%96%87) "List of Applications/Utilities (正體中文)") – [文件](/index.php/List_of_Applications/Documents_(%E6%AD%A3%E9%AB%94%E4%B8%AD%E6%96%87) "List of Applications/Documents (正體中文)") – [安全性](/index.php/List_of_Applications/Security_(%E6%AD%A3%E9%AB%94%E4%B8%AD%E6%96%87) "List of Applications/Security (正體中文)") – [科學](/index.php/List_of_Applications/Science_(%E6%AD%A3%E9%AB%94%E4%B8%AD%E6%96%87) "List of Applications/Science (正體中文)") – [其他](/index.php/List_of_Applications/Other_(%E6%AD%A3%E9%AB%94%E4%B8%AD%E6%96%87) "List of Applications/Other (正體中文)")

## Contents

*   [1 科學](#.E7.A7.91.E5.AD.B8)
    *   [1.1 科學文件](#.E7.A7.91.E5.AD.B8.E6.96.87.E4.BB.B6)
    *   [1.2 數學](#.E6.95.B8.E5.AD.B8)
        *   [1.2.1 計算機](#.E8.A8.88.E7.AE.97.E6.A9.9F)
        *   [1.2.2 電腦代數系統](#.E9.9B.BB.E8.85.A6.E4.BB.A3.E6.95.B8.E7.B3.BB.E7.B5.B1)
        *   [1.2.3 科學或技術性計算](#.E7.A7.91.E5.AD.B8.E6.88.96.E6.8A.80.E8.A1.93.E6.80.A7.E8.A8.88.E7.AE.97)
        *   [1.2.4 統計](#.E7.B5.B1.E8.A8.88)
        *   [1.2.5 資料評估](#.E8.B3.87.E6.96.99.E8.A9.95.E4.BC.B0)
    *   [1.3 化學和生物學](#.E5.8C.96.E5.AD.B8.E5.92.8C.E7.94.9F.E7.89.A9.E5.AD.B8)
        *   [1.3.1 計算生物學和生物資訊學](#.E8.A8.88.E7.AE.97.E7.94.9F.E7.89.A9.E5.AD.B8.E5.92.8C.E7.94.9F.E7.89.A9.E8.B3.87.E8.A8.8A.E5.AD.B8)
        *   [1.3.2 分子檢視](#.E5.88.86.E5.AD.90.E6.AA.A2.E8.A6.96)
        *   [1.3.3 分子繪圖](#.E5.88.86.E5.AD.90.E7.B9.AA.E5.9C.96)
        *   [1.3.4 週期表](#.E9.80.B1.E6.9C.9F.E8.A1.A8)
        *   [1.3.5 生物化學](#.E7.94.9F.E7.89.A9.E5.8C.96.E5.AD.B8)
        *   [1.3.6 分子模型](#.E5.88.86.E5.AD.90.E6.A8.A1.E5.9E.8B)
        *   [1.3.7 圖像操作](#.E5.9C.96.E5.83.8F.E6.93.8D.E4.BD.9C)
    *   [1.4 天文學](#.E5.A4.A9.E6.96.87.E5.AD.B8)
    *   [1.5 物理](#.E7.89.A9.E7.90.86)
        *   [1.5.1 電子學](#.E9.9B.BB.E5.AD.90.E5.AD.B8)
        *   [1.5.2 物理模擬](#.E7.89.A9.E7.90.86.E6.A8.A1.E6.93.AC)
        *   [1.5.3 單位轉換](#.E5.96.AE.E4.BD.8D.E8.BD.89.E6.8F.9B)

## 科學

**Note:** For possibly more up to date selection of scientific applications, try checking the [AUR 'science' category](https://aur.archlinux.org/packages.php?O=0&do_Search=Go&detail=1&C=15&SeB=nd&SB=v&SO=d&PP=50)

### 科學文件

參閱主文：[List of Applications/Documents (正體中文)#科學文件](/index.php/List_of_Applications/Documents_(%E6%AD%A3%E9%AB%94%E4%B8%AD%E6%96%87)#.E7.A7.91.E5.AD.B8.E6.96.87.E4.BB.B6 "List of Applications/Documents (正體中文)").

### 數學

#### 計算機

See also [Wikipedia:Comparison of software calculators](https://en.wikipedia.org/wiki/Comparison_of_software_calculators "wikipedia:Comparison of software calculators").

*   **[bc](https://en.wikipedia.org/wiki/bc_programming_language "wikipedia:bc programming language")** — Arbitrary precision calculator language.

	[http://www.gnu.org/software/bc/](http://www.gnu.org/software/bc/) || [bc](https://www.archlinux.org/packages/?name=bc)

*   **calc** — Arbitrary precision console calculator.

	[http://www.isthe.com/chongo/tech/comp/calc/](http://www.isthe.com/chongo/tech/comp/calc/) || [calc](https://www.archlinux.org/packages/?name=calc)

*   **Extcalc** — Qt-based scientfic graphical calculator.

	[http://extcalc-linux.sourceforge.net/](http://extcalc-linux.sourceforge.net/) || [extcalc](https://aur.archlinux.org/packages/extcalc/)

*   **galculator** — GTK+ based scientific calculator.

	[http://galculator.sourceforge.net/](http://galculator.sourceforge.net/) || [galculator](https://www.archlinux.org/packages/?name=galculator)

*   **[GCalctool](https://en.wikipedia.org/wiki/GCalctool "wikipedia:GCalctool")** — Scientific calculator included in the GNOME desktop.

	[http://www.gnome.org](http://www.gnome.org) || [gcalctool-oldgui](https://aur.archlinux.org/packages/gcalctool-oldgui/)

*   **KAlgebra** — Calculator and 3D plotter included in KDE EDU.

	[http://www.kde.org/applications/education/kalgebra/](http://www.kde.org/applications/education/kalgebra/) || [kdeedu-kalgebra](https://www.archlinux.org/packages/?name=kdeedu-kalgebra)

*   **[KCalc](https://en.wikipedia.org/wiki/KCalc "wikipedia:KCalc")** — Scientific calculator included in the KDE desktop.

	[http://kde.org/applications/utilities/kcalc/](http://kde.org/applications/utilities/kcalc/) || [kdeutils-kcalc](https://www.archlinux.org/packages/?name=kdeutils-kcalc)

*   **Qalculate** — Calculator and equation solver with fault-tolerant parsing, constant recognition and units.

	[http://qalculate.sourceforge.net/](http://qalculate.sourceforge.net/) || [libqalculate](https://www.archlinux.org/packages/?name=libqalculate)

*   **SpeedCrunch** — Fast, high precision and powerful cross-platform calculator.

	[http://speedcrunch.org](http://speedcrunch.org) || [speedcrunch](https://www.archlinux.org/packages/?name=speedcrunch)

*   **[xcalc](https://en.wikipedia.org/wiki/xcalc "wikipedia:xcalc")** — Scientific calculator for X with algebraic and reverse polish notation modes.

	[http://xorg.freedesktop.org/](http://xorg.freedesktop.org/) || [xorg-xcalc](https://www.archlinux.org/packages/?name=xorg-xcalc)

#### 電腦代數系統

See also [Wikipedia:Comparison of computer algebra systems](https://en.wikipedia.org/wiki/Comparison_of_computer_algebra_systems "wikipedia:Comparison of computer algebra systems").

*   **[Fermat](https://en.wikipedia.org/wiki/Fermat_(computer_algebra_system) "wikipedia:Fermat (computer algebra system)")** — Computer algebra system that does arithmetic of arbitrarily long integers and fractions, multivariate polynomials, symbolic calculations, matrices over polynomial rings, graphics, and other numerical calculations.

	[http://home.bway.net/lewis/](http://home.bway.net/lewis/) || [fermat](https://aur.archlinux.org/packages/fermat/)

*   **[GAP](https://en.wikipedia.org/wiki/GAP_(computer_algebra_system) "wikipedia:GAP (computer algebra system)")** — Computer algebra system for computational discrete algebra with particular emphasis on computational group theory.

	[http://www.gap-system.org](http://www.gap-system.org) || [gap-math](https://aur.archlinux.org/packages/gap-math/)

*   **[Mathomatic](https://en.wikipedia.org/wiki/Mathomatic "wikipedia:Mathomatic")** — General purpose Computer Algebra System written in C.

	[http://www.mathomatic.org/](http://www.mathomatic.org/) || [mathomatic](https://www.archlinux.org/packages/?name=mathomatic)

*   **[Maxima](https://en.wikipedia.org/wiki/Maxima_(software) "wikipedia:Maxima (software)")** — [Maple](https://en.wikipedia.org/wiki/Maple_(software) "wikipedia:Maple (software)")/[Mathematica](https://en.wikipedia.org/wiki/Wolfram_Mathematica "wikipedia:Wolfram Mathematica")-like program with a wxWidgets based frontend.

	[http://maxima.sourceforge.net/](http://maxima.sourceforge.net/) || [maxima](https://www.archlinux.org/packages/?name=maxima) [wxmaxima](https://www.archlinux.org/packages/?name=wxmaxima)

*   **[PARI/GP](https://en.wikipedia.org/wiki/PARI/GP "wikipedia:PARI/GP")** — Computer algebra system designed for fast computations in number theory.

	[http://pari.math.u-bordeaux.fr/](http://pari.math.u-bordeaux.fr/) || [pari](https://www.archlinux.org/packages/?name=pari)

*   **[Xcas](https://en.wikipedia.org/wiki/Xcas "wikipedia:Xcas")** — User interface to Giac, a free, basic computer algebra system.

	[http://www-fourier.ujf-grenoble.fr/~parisse/giac.html](http://www-fourier.ujf-grenoble.fr/~parisse/giac.html) || [xcas](https://aur.archlinux.org/packages/xcas/)

#### 科學或技術性計算

See also [Wikipedia:Comparison of numerical analysis software](https://en.wikipedia.org/wiki/Comparison_of_numerical_analysis_software "wikipedia:Comparison of numerical analysis software").

*   **EngLab** — Cross-compile mathematical platform with a C like syntax.

	[http://englab.bugfest.net](http://englab.bugfest.net) || [englab](https://aur.archlinux.org/packages/englab/)

*   **[Euler](https://en.wikipedia.org/wiki/Euler_(software) "wikipedia:Euler (software)")** — Numerical application designed for higher level math such as calculus, optimization, and statistics that uses Maxima for symbolic operations.

	[http://euler.sourceforge.net](http://euler.sourceforge.net) || [euler](https://aur.archlinux.org/packages/euler/)

*   **[FreeMat](https://en.wikipedia.org/wiki/FreeMat "wikipedia:FreeMat")** — Matlab-like program that supports many of its functions and features a codeless interface to external C, C++, and Fortran code, further parallel distributed algorithm development (via MPI), and 3D visualization capabilities.

	[http://freemat.sourceforge.net/](http://freemat.sourceforge.net/) || [freemat](https://www.archlinux.org/packages/?name=freemat)

*   **[Octave](/index.php/Octave "Octave")** — [Matlab](/index.php/Matlab "Matlab")-like language and interface for numerical computations.

	[http://www.gnu.org/software/octave/](http://www.gnu.org/software/octave/) || [octave](https://www.archlinux.org/packages/?name=octave)

*   **[PyLab](https://en.wikipedia.org/wiki/matplotlib "wikipedia:matplotlib")** — Collection of Python modules (pyplot, numpy, etc.) used for scientific calculations.

	[http://www.scipy.org/PyLab](http://www.scipy.org/PyLab) || [python2-matplotlib](https://www.archlinux.org/packages/?name=python2-matplotlib)

*   **[Sage](/index.php/Sage "Sage")** — Mathematics software system, that combines many existing open-source packages into a common Python interface. Alternative to Magma, Maple, Mathematica and Matlab.

	[http://www.sagemath.org](http://www.sagemath.org) || [sage-mathematics](https://www.archlinux.org/packages/?name=sage-mathematics)

*   **[Scilab](https://en.wikipedia.org/wiki/Scilab "wikipedia:Scilab")** — Matlab alternative used for numerical computations. Its syntax is not equivalent to that of Matlab, but it can be easily converted.

	[http://www.scilab.org/](http://www.scilab.org/) || [scilab](https://aur.archlinux.org/packages/scilab/)

#### 統計

See also [Wikipedia:Comparison of statistical packages](https://en.wikipedia.org/wiki/Comparison_of_statistical_packages "wikipedia:Comparison of statistical packages").

*   **[JAGS](https://en.wikipedia.org/wiki/Just_another_Gibbs_sampler "wikipedia:Just another Gibbs sampler") (Just another Gibbs sampler)** — Cross-platform program for analysis of Bayesian hierarchical models using Markov Chain Monte Carlo (MCMC) simulation.

	[http://mcmc-jags.sourceforge.net/](http://mcmc-jags.sourceforge.net/) || [jags](https://aur.archlinux.org/packages/jags/)

*   **[PSPP](https://en.wikipedia.org/wiki/PSPP "wikipedia:PSPP")** — Free SPSS implementation.

	[http://www.gnu.org/software/pspp/](http://www.gnu.org/software/pspp/) || [pspp](https://aur.archlinux.org/packages/pspp/)

*   **[R](/index.php/R "R")** — Software environment for statistical computing and graphics.

	[http://cran.r-project.org/](http://cran.r-project.org/) || [r](https://www.archlinux.org/packages/?name=r)

*   **[RKWard](https://en.wikipedia.org/wiki/RKWard "wikipedia:RKWard")** — Frontend for the statistical language R.

	[http://rkward.sourceforge.net/](http://rkward.sourceforge.net/) || [rkward](https://aur.archlinux.org/packages/rkward/)

#### 資料評估

See also [Wikipedia:List of information graphics software](https://en.wikipedia.org/wiki/List_of_information_graphics_software "wikipedia:List of information graphics software").

*   **Extrema** — Visualization and data analysis tool.

	[http://sourceforge.net/projects/extrema](http://sourceforge.net/projects/extrema) || [extrema](https://aur.archlinux.org/packages/extrema/)

*   **[Fityk](https://en.wikipedia.org/wiki/Fityk "wikipedia:Fityk")** — Curve fitting and data analysis application, predominantly used to fit analytical, bell-shaped functions to experimental data.

	[http://fityk.nieto.pl/](http://fityk.nieto.pl/) || [fityk](https://aur.archlinux.org/packages/fityk/)

*   **[Gnuplot](https://en.wikipedia.org/wiki/gnuplot "wikipedia:gnuplot")** — Command-line program that can generate 2D and 3D plots of functions, data, and data fits.

	[http://www.gnuplot.info/](http://www.gnuplot.info/) || [gnuplot](https://www.archlinux.org/packages/?name=gnuplot)

*   **[Grace](https://en.wikipedia.org/wiki/Grace_(plotting_tool) "wikipedia:Grace (plotting tool)")** — WYSIWYG 2D graph plotting tool.

	[http://plasma-gate.weizmann.ac.il/Grace/](http://plasma-gate.weizmann.ac.il/Grace/) || [grace](https://www.archlinux.org/packages/?name=grace) [qtgrace](https://aur.archlinux.org/packages/qtgrace/) [gracegtk](https://aur.archlinux.org/packages/gracegtk/)

*   **[LabPlot](https://en.wikipedia.org/wiki/LabPlot "wikipedia:LabPlot")** — Free software data analysis and visualization application, similar to SciDAVis.

	[http://labplot.sourceforge.net/](http://labplot.sourceforge.net/) || [labplot2](https://aur.archlinux.org/packages/labplot2/)

*   **[QtiPlot](https://en.wikipedia.org/wiki/QtiPlot or [SigmaPlot](https://en.wikipedia.org/wiki/SigmaPlot "wikipedia:SigmaPlot").

	[http://soft.proindependent.com/qtiplot.html](http://soft.proindependent.com/qtiplot.html) || [qtiplot](https://www.archlinux.org/packages/?name=qtiplot)

*   **[ROOT](https://en.wikipedia.org/wiki/ROOT "wikipedia:ROOT")** — Data analysis program and library (originally for particle physics) developed by CERN.

	[http://root.cern.ch/drupal/](http://root.cern.ch/drupal/) || [root](https://aur.archlinux.org/packages/root/)

*   **[SciDAVis](https://en.wikipedia.org/wiki/SciDAVis "wikipedia:SciDAVis")** — Fork of QtiPlot with the goal of being better documented and more user friendly.

	[http://scidavis.sourceforge.net/](http://scidavis.sourceforge.net/) || [scidavis](https://aur.archlinux.org/packages/scidavis/)

See also [List of applications#Spreadsheets](/index.php/List_of_applications#Spreadsheets "List of applications")

### 化學和生物學

#### 計算生物學和生物資訊學

See also [Wikipedia:List of open source bioinformatics software](https://en.wikipedia.org/wiki/List_of_open_source_bioinformatics_software "wikipedia:List of open source bioinformatics software").

*   **[BALL](https://en.wikipedia.org/wiki/BALL "wikipedia:BALL") (Biochemical Algorithms Library)** — Application framework in C++ that provides an extensive set of data structures as well as classes for molecular nechanics, advanced solvation methods, comparison and analysis of protein structures, file import/export, and visualization.

	[http://www.ball-project.org/](http://www.ball-project.org/) || [ball](https://aur.archlinux.org/packages/ball/)

*   **[BioJava](https://en.wikipedia.org/wiki/BioJava "wikipedia:BioJava")** — Set of Java tools for computational biology, as well as bioinformatics.

	[http://biojava.org/wiki/Main_Page](http://biojava.org/wiki/Main_Page) || [biojava](https://aur.archlinux.org/packages/biojava/)

*   **[Biopython](https://en.wikipedia.org/wiki/Biopython "wikipedia:Biopython")** — Python package with tools for computational biology, as well as bioinformatics.

	[http://biopython.org/wiki/Biopython](http://biopython.org/wiki/Biopython) || [python-biopython](https://www.archlinux.org/packages/?name=python-biopython) [python2-biopython](https://www.archlinux.org/packages/?name=python2-biopython)

*   **[EMBOSS](https://en.wikipedia.org/wiki/EMBOSS "wikipedia:EMBOSS") (European Molecular Biology Open Software Suite)** — Open source software analysis package specially developed for the needs of the molecular biology and bioinformatics user community.

	[http://emboss.sourceforge.net/](http://emboss.sourceforge.net/) || [emboss](https://aur.archlinux.org/packages/emboss/)

*   **[MEGA](https://en.wikipedia.org/wiki/MEGA,_Molecular_Evolutionary_Genetics_Analysis "wikipedia:MEGA, Molecular Evolutionary Genetics Analysis") (Molecular Evolutionary Genetics Analysis)** — Integrated tool for conducting automatic and manual sequence alignment, inferring phylogenetic trees, mining web-based databases, estimating rates of molecular evolution, inferring ancestral sequences, and testing evolutionary hypotheses.

	[http://www.megasoftware.net/](http://www.megasoftware.net/) || [mega](https://aur.archlinux.org/packages/mega/)

*   **[MUMmer](https://en.wikipedia.org/wiki/MUMmer "wikipedia:MUMmer")** — Bioinformatics software system for sequence alignment based on suffix trees.

	[http://mummer.sourceforge.net/](http://mummer.sourceforge.net/) || [mummer](https://aur.archlinux.org/packages/mummer/)

*   **[UGENE](https://en.wikipedia.org/wiki/UGENE "wikipedia:UGENE")** — Application that integrates dozens of well-known biological tools and algorithms, providing both graphical user and command-line interfaces.

	[http://ugene.unipro.ru/](http://ugene.unipro.ru/) || [ugene](https://aur.archlinux.org/packages/ugene/)

#### 分子檢視

See also [Wikipedia:List of molecular graphics systems](https://en.wikipedia.org/wiki/List_of_molecular_graphics_systems "wikipedia:List of molecular graphics systems").

*   **[Avogadro](https://en.wikipedia.org/wiki/Avogadro_(software) "wikipedia:Avogadro (software)")** — Editor, viewer and simulator for 3D molecule structures (also supports downloading files from the [Protein Data Bank](https://en.wikipedia.org/wiki/Protein_Data_Bank "wikipedia:Protein Data Bank")).

	[http://avogadro.openmolecules.net/wiki/Main_Page](http://avogadro.openmolecules.net/wiki/Main_Page) || [avogadro](https://www.archlinux.org/packages/?name=avogadro)

*   **BALLView** — Standalone molecular modeling and visualization application, part of the [BALL](https://en.wikipedia.org/wiki/BALL "wikipedia:BALL") framework.

	[http://www.ballview.org/](http://www.ballview.org/) || [ball](https://aur.archlinux.org/packages/ball/)

*   **[Ghemical](https://en.wikipedia.org/wiki/Ghemical "wikipedia:Ghemical")** — Computational chemistry software package used to edit, view and simulate molecular structures.

	[http://bioinformatics.org/ghemical/ghemical/index.html](http://bioinformatics.org/ghemical/ghemical/index.html) || [ghemical](https://aur.archlinux.org/packages/ghemical/)

*   **[PyMOL](https://en.wikipedia.org/wiki/PyMOL "wikipedia:PyMOL")** — Open-source molecular visualization system that can produce high quality 3D images of small molecules and biological macromolecules, such as proteins.

	[http://pymol.org](http://pymol.org) || [pymol](https://www.archlinux.org/packages/?name=pymol)

*   **[RasMol](https://en.wikipedia.org/wiki/RasMol "wikipedia:RasMol")** — Computer program written for molecular graphics visualization intended and used primarily for the depiction and exploration of biological macromolecule structures.

	[http://www.rasmol.org/](http://www.rasmol.org/) || [rasmol](https://aur.archlinux.org/packages/rasmol/)

#### 分子繪圖

*   **[BKChem](https://en.wikipedia.org/wiki/BKchem "wikipedia:BKchem")** — Practical and goodlooking skeletal formula molecule drawing program.

	[http://bkchem.zirael.org/](http://bkchem.zirael.org/) || [bkchem](https://aur.archlinux.org/packages/bkchem/)

*   **[Chemtool](https://en.wikipedia.org/wiki/Chemtool "wikipedia:Chemtool")** — GTK+-based program for drawing chemical structural formulas.

	[http://ruby.chemie.uni-freiburg.de/~martin/chemtool/chemtool.html](http://ruby.chemie.uni-freiburg.de/~martin/chemtool/chemtool.html) || [chemtool](https://www.archlinux.org/packages/?name=chemtool)

*   **EasyChem** — Simple skeletal formula molecule drawing program with a focus on producing press-quality figures.

	[http://easychem.sourceforge.net/](http://easychem.sourceforge.net/) || <small>not packaged? [search in AUR](https://aur.archlinux.org/packages/?K=easychem)</small>

*   **[Gabedit](https://en.wikipedia.org/wiki/Gabedit "wikipedia:Gabedit")** — Graphical user interface to computational chemistry packages like [GAMESS](https://en.wikipedia.org/wiki/GAMESS_(US) "wikipedia:GAMESS (US)"), [Gaussian](https://en.wikipedia.org/wiki/Gaussian_(software) "wikipedia:Gaussian (software)"), [MOLCAS](https://en.wikipedia.org/wiki/MOLCAS "wikipedia:MOLCAS"), [MOLPRO](https://en.wikipedia.org/wiki/MOLPRO "wikipedia:MOLPRO"), [MPQC](https://en.wikipedia.org/wiki/MPQC "wikipedia:MPQC"), [OpenMopac](https://en.wikipedia.org/wiki/MOPAC "wikipedia:MOPAC"), [Firefly](https://en.wikipedia.org/wiki/PC_GAMESS "wikipedia:PC GAMESS") (previously PC GAMESS) and [Q-Chem](https://en.wikipedia.org/wiki/Q-Chem "wikipedia:Q-Chem").

	[http://gabedit.sourceforge.net/](http://gabedit.sourceforge.net/) || [gabedit](https://aur.archlinux.org/packages/gabedit/)

*   **[XDrawChem](https://en.wikipedia.org/wiki/XDrawChem "wikipedia:XDrawChem")** — Extensive skeletal formula molecule drawing program (includes spectroscopy prediction).

	[http://xdrawchem.sourceforge.net/](http://xdrawchem.sourceforge.net/) || [xdrawchem](https://aur.archlinux.org/packages/xdrawchem/)

#### 週期表

*   **gElemental** — Periodic table of the elements with additional information.

	[http://freshmeat.net/projects/gelemental](http://freshmeat.net/projects/gelemental) || [gelemental](https://aur.archlinux.org/packages/gelemental/)

*   **[Kalzium](https://en.wikipedia.org/wiki/Kalzium "wikipedia:Kalzium")** — Periodic table of the elements with molecule editor and equation solver from the [KDE](/index.php/KDE "KDE") desktop.

	[http://edu.kde.org/kalzium/](http://edu.kde.org/kalzium/) || [kdeedu-kalzium](https://www.archlinux.org/packages/?name=kdeedu-kalzium)

#### 生物化學

*   **[Bioclipse](https://en.wikipedia.org/wiki/Bioclipse "wikipedia:Bioclipse")** — Java-based visual platform for biochemestry that uses the Eclipse Rich Client Platform (RCP).

	[http://www.bioclipse.net/](http://www.bioclipse.net/) || <small>not packaged? [search in AUR](https://aur.archlinux.org/packages/?K=bioclipse)</small>

#### 分子模型

*   **[GROMACS](https://en.wikipedia.org/wiki/GROMACS "wikipedia:GROMACS") (GROningen MAchine for Chemical Simulations)** — Versatile package to perform molecular dynamics, i.e. simulate the Newtonian equations of motion for systems with hundreds to millions of particles.

	[http://www.gromacs.org](http://www.gromacs.org) || [gromacs](https://aur.archlinux.org/packages/gromacs/)

*   **[Quantum ESPRESSO](https://en.wikipedia.org/wiki/Quantum_ESPRESSO "wikipedia:Quantum ESPRESSO")** — Integrated suite of applications for electronic-structure calculations and materials modeling at nanoscale. It is based on density-functional theory, plane waves, and pseudopotentials (both norm-conserving and ultrasoft).

	[http://www.quantum-espresso.org/](http://www.quantum-espresso.org/) || [quantum-espresso](https://aur.archlinux.org/packages/quantum-espresso/)

#### 圖像操作

*   **[ImageJ](https://en.wikipedia.org/wiki/ImageJ "wikipedia:ImageJ")** — Java-based image processing and analysing program that provides extensibility via plugins and macros. It is widely used in microscopy (e.g. for cell counting).

	[http://rsb.info.nih.gov/ij](http://rsb.info.nih.gov/ij) || [imagej](https://aur.archlinux.org/packages/imagej/)

*   **[Fiji](https://en.wikipedia.org/wiki/FIJI_(software) "wikipedia:FIJI (software)")** — ImageJ distribution (and soon ImageJ2) with a lot of plugins organized into a coherent menu structure.

	[http://fiji.sc](http://fiji.sc) || [fiji-binary](https://aur.archlinux.org/packages/fiji-binary/)

### 天文學

*   **[Celestia](https://en.wikipedia.org/wiki/Celestia "wikipedia:Celestia")** — 3D astronomy simulation program that allows users to travel through an extensive universe, modeled after reality, at any speed, in any direction and at any time in history.

	[http://www.shatters.net/celestia/](http://www.shatters.net/celestia/) || [celestia](https://www.archlinux.org/packages/?name=celestia)

*   **GIMP Astronomy Plugins** — Set of GIMP plugins for astronomical image processing.

	[http://hennigbuam.de/georg/gimp.html](http://hennigbuam.de/georg/gimp.html) || [gimp-plugin-astronomy](https://aur.archlinux.org/packages/gimp-plugin-astronomy/)

*   **GoQat** — Camera acquisition software, especially for QSI cameras, that provides other features such as autoguiding, focusing help and others.

	[http://canburytech.net/GoQat/](http://canburytech.net/GoQat/) || [goqat](https://aur.archlinux.org/packages/goqat/)

*   **[KStars](https://en.wikipedia.org/wiki/KStars "wikipedia:KStars")** — Planetarium application that provides an accurate graphical simulation of the night sky, from any location on Earth, at any date and time. It is included in KDE Edu.

	[http://edu.kde.org/kstars/](http://edu.kde.org/kstars/) || [kdeedu-kstars](https://www.archlinux.org/packages/?name=kdeedu-kstars)

*   **Open PHD Guiding** — Telescope autoguiding software based on the famous PHD Guiding.

	[http://code.google.com/p/open-phd-guiding/](http://code.google.com/p/open-phd-guiding/) || [open-phd-guiding-svn](https://aur.archlinux.org/packages/open-phd-guiding-svn/)

*   **Qastrocam-g2** — Webcam acquisition software for planetary imaging.

	[http://sourceforge.net/projects/qastrocam-g2/](http://sourceforge.net/projects/qastrocam-g2/) || [qastrocam-g2](https://aur.archlinux.org/packages/qastrocam-g2/)

*   **[Skychart / Cartes du Ciel](https://en.wikipedia.org/wiki/Cartes_du_Ciel "wikipedia:Cartes du Ciel")** — Planetarium that maps out and labels most of the constellations, planets, and objects you can see with a telescope. It can also download Digitized Sky Survey Charts and superimpose images over these charts.

	[http://www.ap-i.net/skychart/start/](http://www.ap-i.net/skychart/start/) || [skychart](https://aur.archlinux.org/packages/skychart/)

*   **StarPlot** — 3-dimensional star chart viewer.

	[http://starplot.org/](http://starplot.org/) || [starplot](https://aur.archlinux.org/packages/starplot/)

*   **[Stellarium](https://en.wikipedia.org/wiki/Stellarium_(computer_program) "wikipedia:Stellarium (computer program)")** — Beautiful 3D planetarium that uses OpenGL to render a realistic sky in real time.

	[http://www.stellarium.org/](http://www.stellarium.org/) || [stellarium](https://www.archlinux.org/packages/?name=stellarium)

*   **[XEphem](https://en.wikipedia.org/wiki/XEphem "wikipedia:XEphem")** — Motif-based ephemeris and planetarium program.

	[http://www.clearskyinstitute.com/xephem/xephem.html](http://www.clearskyinstitute.com/xephem/xephem.html) || [xephem](https://aur.archlinux.org/packages/xephem/)

### 物理

#### 電子學

See also [Wikipedia:Comparison of EDA software](https://en.wikipedia.org/wiki/Comparison_of_EDA_software "wikipedia:Comparison of EDA software").

*   **[gEDA](/index.php/GEDA "GEDA")** — Full suite and toolkit of Electronic Design Automation tools that are used for electrical circuit design, schematic capture, simulation, prototyping, and production.

	[http://www.geda-project.org/](http://www.geda-project.org/) || [geda-gaf](https://www.archlinux.org/packages/?name=geda-gaf)

*   **[KiCAD](https://en.wikipedia.org/wiki/KiCAD "wikipedia:KiCAD")** — Software suite for electronic design automation (EDA) that facilitates the design of schematics for electronic circuits and their conversion to PCB (printed circuit board).

	[http://www.kicad-pcb.org/display/KICAD/KiCad+EDA+Software+Suite](http://www.kicad-pcb.org/display/KICAD/KiCad+EDA+Software+Suite) || [kicad](https://www.archlinux.org/packages/?name=kicad)

*   **KLogic** — Application used for easily building and simulating digital circuits.

	[http://www.a-rostin.de/](http://www.a-rostin.de/) || [klogic](https://aur.archlinux.org/packages/klogic/)

*   **[KTechLab](https://en.wikipedia.org/wiki/KTechLab "wikipedia:KTechLab")** — IDE for electronic and PIC microcontroller circuit design and simulation featuring an extensive circuit designer with autorouting and simulation of all common electronic components and logic elements.

	[http://sourceforge.net/projects/ktechlab/](http://sourceforge.net/projects/ktechlab/) || [ktechlab](https://www.archlinux.org/packages/?name=ktechlab)

*   **[Oregano](https://en.wikipedia.org/wiki/Oregano_(software) "wikipedia:Oregano (software)")** — Graphical software application for schematic capture and simulation of electrical circuits. The actual simulation is done by the [ngspice](https://en.wikipedia.org/wiki/Ngspice "wikipedia:Ngspice") or [Gnucap](https://en.wikipedia.org/wiki/GNU_Circuit_Analysis_Package "wikipedia:GNU Circuit Analysis Package") engines.

	[https://github.com/marc-lorber/oregano](https://github.com/marc-lorber/oregano) || [oregano](https://aur.archlinux.org/packages/oregano/)

*   **QElectroTech** — Application used to draw advanced electrical circuits.

	[http://qelectrotech.org/](http://qelectrotech.org/) || [qelectrotech](https://aur.archlinux.org/packages/qelectrotech/)

*   **[Qucs](https://en.wikipedia.org/wiki/Quite_Universal_Circuit_Simulator "wikipedia:Quite Universal Circuit Simulator")** — Electronics circuit simulator application that gives you the ability to set up a circuit with a graphical user interface and simulate its large-signal, small-signal and noise behaviour.

	[http://qucs.sourceforge.net/](http://qucs.sourceforge.net/) || [qucs](https://www.archlinux.org/packages/?name=qucs)

#### 物理模擬

*   **[Code_Aster](https://en.wikipedia.org/wiki/Code_Aster "wikipedia:Code Aster")** — Software package for Civil and Structural Engineering finite element analysis and numeric simulation in structural mechanics.

	[http://www.code-aster.org](http://www.code-aster.org) || [aster](https://aur.archlinux.org/packages/aster/)

*   **[Step](https://en.wikipedia.org/wiki/Step_(software) "wikipedia:Step (software)")** — Two-dimensional physics simulation engine that is included in the KDE desktop as part of KDE Edu.

	[http://edu.kde.org/step/](http://edu.kde.org/step/) || [kdeedu-step](https://www.archlinux.org/packages/?name=kdeedu-step)

#### 單位轉換

*   **ConvertAll** — Unit conversion application that allows one to combine units in any way (e.g. inches per decade), even if it does not make sense.

	[http://convertall.bellz.org/](http://convertall.bellz.org/) || [convertall](https://aur.archlinux.org/packages/convertall/)

*   **Gonvert** — Conversion utility that allows conversion between many units like CGS, Ancient, Imperial with many categories like length, mass, numbers, etc.

	[http://www.unihedron.com/projects/gonvert/](http://www.unihedron.com/projects/gonvert/) || [gonvert](https://aur.archlinux.org/packages/gonvert/)

*   **[Units](https://en.wikipedia.org/wiki/GNU_Units "wikipedia:GNU Units")** — Command-line unit converter and calculator that can handle multiplicative scale changes, nonlinear conversions such as Fahrenheit to Celsius or wire gauge and others.

	[http://www.gnu.org/s/units/](http://www.gnu.org/s/units/) || [units](https://www.archlinux.org/packages/?name=units)