The first 3D spreadsheet I encountered was the very pricey Boeing Calc in the mid 80's. I also had a beta version of the never released VP Planner 3D. Seems the

The first 3D spreadsheet I encountered was the very pricey Boeing Calc in the mid 80's. I also had a beta version of the never released VP Planner 3D. Seems they were litigated out of existence by Lotus with a look-feel lawsuit. I was later happy to dance on 1-2-3's grave... https://en.wikipedia.org/wiki/Boeing_Calc https://en.wikipedia.org/wiki/Boeing_Calc https://en.wikipedia.org/wiki/Paperback_Software_International https://en.wikipedia.org/wiki/Paperback_Software_Internation...