Híradástechnika of Budapest, Hungary sold in the Seventies various OEM calculators under their own brand. The PTK-1050 was actually a rebadged TI-57 Programmable while the PTK-1096 resembled the TI-59 Programmable.
TI Portable Professional Computer
Híradástechnika of Budapest, Hungary sold in the Seventies various OEM calculators under their own brand. The PTK-1050 was actually a rebadged TI-57 Programmable while the PTK-1096 resembled the TI-59 Programmable.
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