== Acorn Pocket Book ==Essentially a rebadged OEM version of the Series 3 with slightly different on-board software, the Acorn Pocket Book was marketed by Acorn Computers as an inexpensive computer for schoolchildren, rather than as an executive tool.
=== Psion 3 и Acorn Pocket Book ===Psion 3 стал, по сути, первым настоящим карманным компьютером, созданным для того, чтобы заменить бумажный ежедневник и блокнот на их электронный вариант.