superplane
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).
Superplan introduced the keyword für as for loop, which had the following form (
a
i
{\displaystyle a_{i}}
being an array item):
Für i=base(increment)limit:
a
i
{\displaystyle a_{i}}
+ addend =
a
i
{\displaystyle a_{i}}
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