If you decide to proceed, stick to the safe sources listed above, scan every file before opening, and don’t hesitate to use a virtual machine. The software may no longer be famous, but for the niche community that remembers , it remains a small piece of computational history.
ISA (often associated with automotive diagnostic tool developers). Download-- Calcgen By I S A 2009 17
No company, no support forum (or a dead ProBoards one), no updates after 2011. I S A vanished – perhaps absorbed into industry, perhaps abandoned coding entirely. CalcGen v17 is their digital tombstone. If you decide to proceed, stick to the