The article highlights that LANPAR could handle forward references (cells referencing other cells not yet calculated) through iterative evaluation loops. This seems mundane now, but was genuinely novel in 1970 and didn't reappear in spreadsheets until Lotus 1-2-3 in the 1980s.
alt Hacker News
The article highlights that LANPAR could handle forward references (cells referencing other cells not yet calculated) through iterative evaluation loops. This seems mundane now, but was genuinely novel in 1970 and didn't reappear in spreadsheets until Lotus 1-2-3 in the 1980s.