Superplan
Superplan was a high-level programming language developed between 1949 and 1951 by Heinz Rutishauser, the name being a reference to "Rechenplan", 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.
Superplan introduced the keyword "for" resp. the German with its for loop, which had the following form :
Für i=baselimit: + addend =
