Calculator input methods: Difference between revisions

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<ref name="PhysOrg_2005">{{cite web |title=Professor devises easier calculator |website=www.physorg.com |date=2005-06-27 |publisher=[[United Press International]] |url=http://www.physorg.com/news4773.html |access-date=2023-09-20 |url-status=live |archive-url=https://web.archive.org/web/20230115103904/https://phys.org/news/2005-06-professor-easier.html |archive-date=2023-01-15}}</ref>
<ref name="Furman_2006">{{cite web |title=Declarative Programming – Strategies for Solving Software Problems |author-first=Roy E. |author-last=Furman |date=July 2006 |url=http://www.articlesalley.com/article.detail.php/7013/178/Education/Internet/36/Declarative_Programming_-_Strategies_for_Solving_Software_Problems |access-date=2009-05-04 |url-status=dead |archive-url=https://archive.today/20120723100846/http://www.articlesalley.com/article.detail.php/7013/178/Education/Internet/36/Declarative_Programming_-_Strategies_for_Solving_Software_Problems |archive-date=2012-07-23}}</ref>
<ref name="Watt_1990">{{cite book |title=Programming language concepts and paradigms |author-first=David A. |author-last=Watt |publisher=[[Prentice Hall]] |date=1990 |edition= |series=[[Prentice Hall International Series in Computer Science]] |isbn=978-0-13728874-8}}</ref>
<ref name="Matsushita_1998">{{cite web |title=Expressive Power of Declarative Programming Languages |author-first=Tatsuru |author-last=Matsushita |type=PhD thesis |publisher=Department of Computer Science, University of York |date=October 1998 |url=https://citeseerx.ist.psu.edu/pdf/692970d16d93c76d57458a77fc2231cc94d9db97 |access-date=2023-09-21 |url-status=live |archive-url=https://web.archive.org/web/20230921201617/https://citeseerx.ist.psu.edu/pdf/692970d16d93c76d57458a77fc2231cc94d9db97 |archive-date=2023-09-21}}</ref>
<ref name="HP_2012">{{cite journal |title=HP RPN Evolves |author-first=Richard J. |author-last=Nelson |journal=HP Solve |publisher=[[Hewlett-Packard Development Company, L.P.]] |date=April 2012 |number=27 |pages=42–45 |url=http://h20331.www2.hp.com/hpsub/downloads/S07%20HP%20RPN%20Evolves%20V5b.pdf |access-date=2022-10-20 |url-status=live |archive-url=https://web.archive.org/web/20221020173134/http://h20331.www2.hp.com/hpsub/downloads/S07%20HP%20RPN%20Evolves%20V5b.pdf |archive-date=2022-10-20}} [https://web.archive.org/save/http://h20331.www2.hp.com/hpsub/downloads/HP_Calculator_eNL_04_April_2012%2520(2).pdf] (4 of 56 pages)</ref>