Figure 1. Xcas calculates fractions without common denominator.Figure 2. Xcas can solve equations, calculate derivatives, antiderivatives and more.Figure 3. Xcas can solve differential equations.
Xcas has compatibility modes with many popular algebra systems like WolframAlpha,[4]Mathematica,[5]Maple,[6] or MuPAD. Users can use Giac/Xcas to develop formal algorithms or use it in other software. Giac is used in SageMath[4] for calculus operations. Among other things, Xcas can solve differential equations (Figure 3) and draw graphs. There is a forum for questions about Xcas.[7]
CmathOOoCAS, an OpenOffice.org plugin which allows formal calculation in Calc spreadsheet and Writer word processing, uses Giac to perform calculations.[8]
Features
Here is a brief overview of what Xcas is able to do:[9][10]
Xcas has the ability of a scientific calculator that provides show input and writes pretty print
calculate definite integrals/area under the curve of a function: int(function,x,lowerlimit,upperlimit)
calculate definite integral (also called solid of revolution) - finding volume by rotation (around the x-axis): int(pi*function^2,x,lowerlimit,upperlimit)
calculate definite integral (also called solid of revolution) - finding volume by rotation (around the y-axis) for a decreasing function: int(2*pi*x*function,x,lowerlimit,upperlimit)
The system was also chosen by Hewlett-Packard as the CAS for their HP Prime calculator, which utilizes the Giac/Xcas 1.5.0 engine under a dual-license scheme.
In 2013, the mathematical software Xcas was also integrated into GeoGebra's CAS view.[27]
1 2 Tõnisson, Eno (2017-11-09). Differences between expected answers and the answers offered by computer algebra systems to school mathematics equations (Thesis). hdl:10062/58398.
1 2 Gandit, Michèle (2009). Bardini, C.; Fortin, P.; Oldknow, A.; Vagost, D. (eds.). Experimenting and proof in mathematics with XCAS. Proceedings of the 9th International Conference on Technology in Mathematics Teaching. Metz, France. CiteSeerX10.1.1.580.4878.
↑ Fekih, Lassaad Ben; Verlinden, Olivier; Kouroussis, Georges (2011). Development of a user-friendly and open-source multibody framework with the help of symbolic tools. 4th International Congress Design and Modelling of Mechanical Systems. Sousse (Tunisia).
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