As long as XP “ruled the roost” and was capable of running 16-bit software, it was certainly possible to run both and other DOS and Windows 3.1 packages. This article concentrates on two venerable pieces of DOS software: WEAP87, the wave equation program to analyse driven piles during installation, and SPILE, which estimates axial driven pile capacity. Ever wonder why businesses and medical establishments, for example, still run Windows XP so often? With engineering software, it’s even worse: there are still DOS programs which do things that more recent software either does not do or does very expensively (the “per seat” cost of programs like AutoCad and most commercial finite element software, would shock most people outside of the field). That’s more true in two fields than any other: business and scientific/engineering software. It’s something we don’t think about in the advance of computer power, but it’s a fact. Yet every time we have a major software upgrade, we lose some of the capabilities we had in the past. Given the changes in hardware, it would be difficult to get most any recent PC to run one or both. It’s been a long time since many computers ran DOS or even Windows 3.1.
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