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VisiCalc [1], the first spreadsheet program and the "killer app" for business on the Apple II, also used left-to-right evaluation. Dan Bricklin said he needed p
by bobbiechen 6y ago
VisiCalc [1], the first spreadsheet program and the "killer app" for business on the Apple II, also used left-to-right evaluation. Dan Bricklin said he needed people to be able to quickly enter equations as they did on a cheap (non-RPN) calculator [2, at around 35:10].
[1] https://en.wikipedia.org/wiki/VisiCalc https://en.wikipedia.org/wiki/VisiCalc
[2] https://scs.hosted.panopto.com/Panopto/Pages/Viewer.aspx?id=d129250d-7c28-45f5-874b-a9fa01542afb https://scs.hosted.panopto.com/Panopto/Pages/Viewer.aspx?id=...