Website redesigned - content still to be added - PSL/PSA-lite coming soon....
Category: PSL/PSA
The language evolved from 1968-1991. Key version ranges were:
| Date Range | Version(s) |
| 1968 | 1.0 |
| 1970 | 2.0 |
| 1975 | 3.0 |
| 1977 | 4.2 |
| - 1981 | 5.0 - 5.2 |
| 1987 - 1990 | 6r0 - 6r3 |
Requirements Analytics
Suite 59
2 Lansdowne Crescent
BOURNEMOUTH
BH1 2SA
England
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