Articles (2)
| Title | Author(s) | Publication | Date |
|---|---|---|---|
| The Crystal Ball American Express is now selling the Sinclair ZX81 computer, the world’s cheapest micro, through the mail, in a brochure inserted... | H & E Computronics | May 1982 | |
| ZX-81 taking off in the States THE ZX-81 is beginning to take off in the States. An agreement between Sinclair Research and the American Express credit... | Sinclair User | August 1982 |