Early Electronic Calculator Desktop Calculator Photo Gallery

Rapidman 1220 1973 Logic Technology: LSI-2 Memory Technology: LSI Display: PPX2

Sharp ELSI 804 1973 Logic Technology: LSI Memory Technology: LSI Display: VFI

Victor 19-1421 1973 Logic Technology: LSI-2 Memory Technology: LSI Display: PPX

Olympia CD401A 1974 Logic Technology: LSI-2 Memory Technology: LSI Display: VFM

Ricomac 1216 1974 Logic Technology: LSI Memory Technology: LSI Display: VFI

Hewlett-Packard 9815A 1976 Logic Technology: LSI,MSI,SSI Memory Technology: LSI Display: PPX2 Based around a Motorola 6800 microprocessor, with 14 KBytes of firmware in ROM. A lot of functionality packed into a small desktop form factor, including the ability to interface to external I/O devices. Servicing these units is awkward as the main boards are folded tightly over each other. Extension connectors can be constructed to permit operation and access with the boards unfolded.

Victor MEDALIST 204 1976 Logic Technology: LSI Memory Technology: LSI Display: VFM

CDK C1HB 1977 Logic Technology: LSI Memory Technology: LSI Display: VFM