Lucid 3-D [1] was a spreadsheet package that began in the MS-DOS era; [2] Windows support came later. [3] [4]
Sam Redman [5] and Michael Stanford [6] incorporated as PCSG corporation (Portable Computer Support Group). [7]
Their Lucid 3-D spreadsheet was marketed by Dac Software of Dallas, Texas. [8]
Lucid 3-D was considered noteworthy at the time for being "the only major memory-resident spreadsheet available for the PC." [9]
The selling point of the product was being "three dimensional. Any cell of the spreadsheet can contain a complete other spreadsheet that you can access with a single keystroke." [10]
Another technical feature was what their ads called "not only minimal recalc, but background recalc" [11]
The Windows versions could display "up to nine overlapping spreadsheet windows." [1]
Data files were stored using the extension ".lcw" (Dot LCW). [12]
Lucid 3D comes with a reference manual in the form of ... Lucid 3D can display up to nine overlapping spreadsheet windows
Lucid 3-D 2.x. Lucid 3-D, created by PCSG, Inc. and sold by DacEasy, Inc., is a spreadsheet program for MS-DOS
REVIEW: Lucid 3-D for Windows is easy to learn, takes full advantage of Windows, designed to make 3-D charts look good, and features over 50 templates.
In 1983, Redman was the founder of PCSG, later named Lucid Corporation, ...
Redman and Michael Stanford Co-founders of Portable Computer Support Group .. (PCSG)
... they incorporated as PCSG corporation (Portable Computer Support Group).
Lucid 3-D is the only major memory- resident spreadsheet available for the PC. The product was originally developed in 1984 as ...
.lcw - Lucid 3-D Spreadsheet. LCW file is a Lucid 3-D Spreadsheet. Lucid 3-D is a low cost spreadsheet program with several unique features