'''desolve'''(<math> y' = b\cdot y - a </math> , <math> y </math>) for [[SageMath]]<ref>{{Cite web |url=http://doc.sagemath.org/html/en/tutorial/tour_algebra.html |title=Arkiveret kopi |access-date=25. april 2020 |archive-date=14. januar 2020 |archive-url=https://web.archive.org/web/20200114180215/http://doc.sagemath.org/html/en/tutorial/tour_algebra.html |url-status=ok }}</ref> og [[Xcas]]<ref>{{Cite web |url=http://www-fourier.ujf-grenoble.fr/~parisse/giac/cascmd_en.pdf |title=Arkiveret kopi |access-date=25. april 2020 |archive-date=29. juli 2014 |archive-url=https://web.archive.org/web/20140729133558/http://www-fourier.ujf-grenoble.fr/~parisse/giac/cascmd_en.pdf |url-status=ok }}</ref> og [[ExpressionsinBar]]<ref>{{Cite web |url=http://www.alelvisoftware.com/Expressions/ExpressionsinBar.html |title=Arkiveret kopi |access-date=17. maj 2020 |archive-date=29. september 2020 |archive-url=https://web.archive.org/web/20200929221751/http://alelvisoftware.com/Expressions/ExpressionsinBar.html |url-status=ok }}</ref><ref>https://www.youtube.com/watch?v=SbLcNPMwTng</ref>
Matematik