Back when they had textbooks. Increasingly the curriculum is online and restricts exploration
Textbooks don’t need a lot of revisions though. Basic math has not really changed that much. One of my favorite textbooks I used as a kid was written ten years before I was born.
alt Hacker News
Textbooks don’t need a lot of revisions though. Basic math has not really changed that much. One of my favorite textbooks I used as a kid was written ten years before I was born.