Page "Jupiter Ace" Paragraph 2

Both had been on the design team for the Sinclair ZX Spectrum.

Altwasser did some work on the development of the ZX-81 and in the design of the hardware of the Spectrum.

Vickers adapted and expanded the 4K ZX-80 ROM to the 8K ZX-81 ROM and wrote most of the ROM for the Spectrum.

The Jupiter Ace was named after the early British computer, the ACE.

The name was chosen to emphasize the " firsts " of using FORTH environment as more efficient for personal computers.