Lisp Algebraic Manipulator

The Lisp Algebraic Manipulator (also known as LAM) was created by Ray d'Inverno, who had written Atlas LISP Algebraic Manipulation (ALAM was designed in 1970).[http://hopl.murdoch.edu.au/showlanguage.prx?exp=6323&language=LAM Entry at hopl.murdoch.edu.au] {{webarchive|url=https://web.archive.org/web/20060905225729/http://hopl.murdoch.edu.au/showlanguage.prx?exp=6323&language=LAM |date=2006-09-05 }}{{cite journal | url=https://doi.org/10.1007%2Fs10714-006-0291-4 | doi=10.1007/s10714-006-0291-4 | title=Computer Algebra: From the Visible to the Invisible | date=2006 | last1=d'Inverno | first1=R. A. | journal=General Relativity and Gravitation | volume=38 | issue=6 | pages=1095–1108 | bibcode=2006GReGr..38.1095D | s2cid=119709435 | url-access=subscription }}{{cite journal | url=https://doi.org/10.1007%2FBF00761964 | doi=10.1007/BF00761964 | title=Algebraic computing in general relativity | date=1975 | last1=d'Inverno | first1=Raymon A. | journal=General Relativity and Gravitation | volume=6 | issue=6 | pages=567–593 | bibcode=1975GReGr...6..567D | s2cid=119549181 | url-access=subscription }}{{Cite web |url=http://hopl.murdoch.edu.au/showlanguage.prx?exp=487 |title=Entry at hopl.murdoch.edu.au |access-date=2009-12-26 |archive-url=https://web.archive.org/web/20110311191322/http://hopl.murdoch.edu.au/showlanguage.prx?exp=487 |archive-date=2011-03-11 |url-status=dead }}{{Cite web |url=http://hopl.murdoch.edu.au/showlanguage2.prx?exp=487 |title=Description at hopl.murdoch.edu.au |access-date=2009-12-26 |archive-url=https://web.archive.org/web/20080819232418/http://hopl.murdoch.edu.au/showlanguage2.prx?exp=487 |archive-date=2008-08-19 |url-status=dead }}[http://people.ku.edu/~nkinners/LangList/Langs/A/ALAM.htm Entry at people.ku.edu] {{webarchive|url=https://web.archive.org/web/20081202011434/http://people.ku.edu/~nkinners/LangList/Langs/A/ALAM.htm |date=2008-12-02 }} LAM later became the basis for the interactive computer package SHEEP.