The author stumbled upon old punched cards containing mysterious numbers, sparking a quest for answers. By examining related books, they discovered the cards were examples from a 1970s computer training course in Portugal. The cards detailed an employee named João A. Fernandes, his hourly wage, and hours worked. The author decoded the information, solving the mystery behind the numbers. However, the origin of the book remains unknown, as it was attributed to “ENIASA.” Containing insights into historical computing practices, this discovery shed light on the fascinating world of early computer education.
https://blog.jgc.org/2024/10/rabbit-hole-stumbling-across-two.html