Comment by coldcode

It's so interesting to see how much of a commodity charting/graphing has become. When we started building Deltagraph in late 1988, what we made become a kind of standard since we targeted Postscript and Illustrator output, and included almost every kind of chart we could find with ridiculous options for everything, so people used it world wide, especially if targeting print. In the mid-90's, it was sold by the publisher (we just did the dev), and it spent the next 25 years at various owners before dying during the pandemic, all still based on the original source code (C) I started. I can't imagine how bad the code looked by then...