> On Aug 28, 2017, at 3:19 PM, Chuck Guzis via cctalk <cctalk@classiccmp.org> > wrote: > > ... > There were two version of the character set--the "commercial" version > lacked parentheses, for example. Thank heavens that most 026s were > equipped with the "scientific" set. If you were unfortunate enough to > have to punch cards on an 024 and decided to interpret them on a 557, > you got the no-parentheses character set.
I think there were many more variants. Commercial and scientific, sure, but both of them in many variants as you travel from one computer manufacturer to another. The CDC 6000 series had their own very odd character set; the Dutch Electrologica had at least a couple of codes including one specifically for ALGOL 60; DEC had a whole pile of choices -- and so on. paul