Punch card. Fortran

Subject: Old computer punch card with holes.

Caption: This is a punch card that was used at RECKU, The Regional University Computing Centre at the Copenhagen University in the early 1970s. The code is part of a FORTRAN IV program.

Source: I have some old cards in a drawer in different colors with and without holes, which I scanned. This object is not a creative work and therefore not subject to copyright.

我，本作品著作权人，释出本作品至公有领域。这适用于全世界。 在一些国家这可能不合法；如果是这样的话，那么： 我无条件地授予任何人以任何目的使用本作品的权利，除非这些条件是法律规定所必需的。