| Spike2 for Windows version 6 | spike6.pdf | 6,925,716 | 03/09 |
| The Spike2 script language version 6 | script6.pdf | 3,185,586 | 03/09 |
| Spike2 for Windows version 5 | spike5.pdf | 6,301,578 | 03/07 |
| The Spike2 script language version 5 | script5.pdf | 2,940,712 | 03/07 |
| Spike2 for Windows Training manual | spktrain.pdf | 1,212,686 | 04/07 |
| Signal for Windows version 4 | sigdoc4.pdf | 3,113,327 | 07/10 |
| The Signal script language version 4 | sigscr4.pdf | 1,908,755 | 07/10 |
| Signal for Windows Training manual | sigtrain4.pdf | 776,710 | 10/08 |
| Signal for Windows version 3 | sigdoc3.pdf | 4,419,673 | 02/07 |
| The Signal script language version 3 | sigscr3.pdf | 2,778,497 | 09/07 |
| Signal for Windows Training manual | sigtrain3.pdf | 574,264 | 04/07 |
| Signal for Windows version 2 | sigdoc2.pdf | 1,812,512 | 03/03 |
| The Signal script language version 2 | sigscr2.pdf | 2,667,663 | 09/03 |
| Signal for Windows Training manual | sigtrain2.pdf | 648,448 | 08/04 |
| Micro1401 mk 1 Owner's Handbook | micro1.pdf | 1,606,215 | 09/03 |
| Micro1401 mk 2 Owner's Handbook | micro2.pdf | 1,613,899 | 04/09 |
| Power1401 mk1 Owner's Handbook | power.pdf | 1,192,499 | 08/04 |
| Power1401 mk2 Owner's Handbook | power2.pdf | 1,681,411 | 11/07 |
| 1902 mk 4 Owner's Handbook | 1902.pdf | 1,382,248 | 04/09 |
| 1902 mk 3 Owner's Handbook | 1902mk3.pdf | 1,518,013 | 09/03 |
| 11/07 |  |