| Name | Format | Size | Date |
|---|---|---|---|
| c21 | Unknown | 2.0 KB | 1992-08-28 |
| cosinus | Unknown | 11.3 KB | 1991-10-30 |
| perspective | Unknown | 3.8 KB | 1989-07-10 |
| perspective2 | Unknown | 4.1 KB | 1989-07-10 |
| Perspective3 | Unknown | 2.0 KB | 1987-01-01 |
| shadow | Unknown | 120 b | 1991-10-30 |
| shape | Unknown | 120 b | 1991-10-30 |
| sinus | Unknown | 11.3 KB | 1991-10-30 |