| Date | Subject |
|---|---|
| June 11, 1992 | Case in symbolic math names. |
| July 7, 1992 | Are there any public domain symb.math pkgs? |
| December 16, 1992 | More lies and abuses from Weiguang Huang (was SIMTEL-20 symbolic...) |
| September 19, 1997 | NP-completeness algorithm: errata |