The Psion Series 3 range of personal digital assistants were made by Psion PLC. The four main variants are the Psion Series 3 (1991), the Psion Series 3a...

The Psion Series 5 was a personal digital assistant (PDA) from Psion. It came in two main variants, the Series 5 (launched in 1997) and the Series 5mx...

on Psion Series 3 PDAs. Psion Organiser and Psion Organiser II Psion HC Psion Series 3, 3a, 3c & 3mx Psion Siena Psion Series 5, 5mx & 5mx Pro Psion Revo...

The Psion Series 7 is a subnotebook computer from Psion that was released in 2000. In size it is fairly original: larger than a palmtop or handheld machine...

Empire Psion, the J/psi meson (discovered 1974) Psion (company), a British mobile computer company Psion Organiser (1984) Psion MC (1989) Psion Series 3 (1991)...

Psion Organiser was the brand name of a range of pocket computers developed by the British company Psion in the 1980s. The Organiser I (launched in 1984)...

The Psion Revo, launched in November 1999, is a personal digital assistant (PDA) from Psion. It is the successor to the Psion Series 3 and a light version...

The Psion MC (Mobile Computer) series is a line of laptop computers made by Psion PLC and launched in 1989. Developed by Psion towards the end of the 1980s...

company Psion in 1984. Originally designed for use on their classic Psion PDAs such as the Series 3, 5/5mx, Series 7, and netBook–netPad, and the Psion produced...

operating system developed by Psion, a British company founded in 1980. It began as a 16-bit operating system (OS) for Psion's own x86-compatible devices...