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Superplan was a high-level programming language developed between 1949 and 1951 by Heinz Rutishauser, the name being a reference to "Rechenplan" (i.e. computation plan), in Konrad Zuse's terminology designating a single Plankalkül program.

The language was described in Rutishauser's 1951 publication Über automatische Rechenplanfertigung bei programmgesteuerten Rechenmaschinen (i.e. Automatically created Computation Plans for Program-Controlled Computing Machines).^[1]

Superplan introduced the keyword für as for loop, which had the following form (${\displaystyle a_{i}}$ being an array item):

Für i=base(increment)limit: ${\displaystyle a_{i}}$ + addend = ${\displaystyle a_{i}}$

• Compiler
• Translator

• Broy, Manfred; Denert, Ernst [in German], eds. (June 2002). Software Pioneers: Contributions to Software Engineering. Lecture Notes in Computer Sciences. Berlin, Germany: Springer-Verlag. p. 32.
• Fothe, Michael; Wilke, Thomas, eds. (2015) [2014-11-14]. Written at Jena, Germany. Keller, Stack und automatisches Gedächtnis – eine Struktur mit Potenzial [Cellar, stack and automatic memory - a structure with potential] (PDF) (Tagungsband zum Kolloquium 14. November 2014 in Jena). GI Series: Lecture Notes in Informatics (LNI) – Thematics (in German). Vol. T-7. Bonn, Germany: Gesellschaft für Informatik (GI) / Köllen Druck + Verlag GmbH. pp. 20–21. ISBN 978-3-88579-426-4. ISSN 1614-3213. Archived (PDF) from the original on 2020-04-12. Retrieved 2020-04-12. [1] (77 pages)