Early
Electronic
Calculator
Pocket Calculator Technical Summary

The following table presents some basic data about specific calculators and indicates how much technical data is available for them. The table is sorted by ascending year.

Key to headings and abbreviations

Manufacturer Model Year Logic
Technology
Display Principal ICs TD
Level
TD23
Pages
TD23
Data
Photo
Commodore C110 1972 LSI LED Texas Instruments TMS 0103 2 1schem V4H
LogicData TA-9 1972 LSI-2 VFI * 2 of 40-pin 1 1schem V4H
Royal Digital V 1972 LSI VFM General Instrument 251F 2 1schem V4H
Digimatic P8 (Model No. 41031) 1973 LSI LED Rockwell 15332 A1032PD 2 1schem V4H
Hewlett-Packard 80 1973 LSI LED Hewlett-Packard HP-80 2 1schem V4C
Sanyo ICC-83 (SACOM MINI) 1973 LSI GDM Texas Instruments TMS 0101 2 2schem V4H
Sears 728.58821 1973 LSI LED Western Digital LC1552B 2 1offline V4H
XONEX ELSI III / DATAEXAC 1973 LSI VFI Rockwell 15330 PC 2 1schem V4H
Casio ?CM607? 1974 LSI VFM NEC µPD178 C 2 1offline -
Digimatic D8 (Model No. 41024) 1974 LSI LED Rockwell A4001 15471PA 2 1schem V4H
Keystone 395 / exponent 1 1974 LSI PPX2 Rockwell A1241PA 2 1schem V4C
Keystone 2050 1974 LSI PPX2 Rockwell 15473PA (aka 90128) 2 1schem V4H
Lloyd's Accumatic 55 1974 LSI VFM Rockwell A1241PA 2 1schem V4H
Texas Instruments SR-11 1974 LSI LED (individual) Texas Instruments TMS 0602 1 - - V4H
AGS 14 1975 LSI VFM NEC µPD946C 2 1schem V4
Casio personal-8 1975 LSI VFM Hitachi HD3679 2 1schem V4
Casio pocket-8 1975 LSI VFM NEC µPD971C 1 - - V4H
Digimatic M8-3 (Model No. 41015) 1975 LSI VFM Western Digital LC1552-B 1 - - V4
Lloyd's Accumatic 310 1975 LSI VFM Mitsubishi M58618-81P 2 1schem V4
Lloyd's Accumatic 333 1975 LSI VFM General Instrument CF-596 1 - - V4
Novus 850 1975 LSI LED National Semi. MM5737 1 - - V4
Novus 6010 "International Computer" 1975 LSI LED National Semi. MM5764N 1 - - V4
Philips P-63 Statistical 1975? LSI LED National Semi. MM5763N 1 - - V4
Rockwell 8R 1975 LSI LED Rockwell B5000 CB 2 1schem V4H
Texas Instruments TI-2550 1975 LSI LED Texas Instruments TMS 0601 NC 2 1schem V4
TwinScents Bath Math 1975~ - 1 - - V4C
Unitrex Mini Handy 80M 1975 LSI LED Rockwell A4130 1 - - V4
apf Mark 40 1975 LSI LED Mostek MK50282 N 2 1schem V4
apf Mark 51 1975 LSI VFM General Instrument CF596 1 - - V4
Hewlett-Packard 21 1976 LSI-2 LED Hewlett-Packard / AMI HP-21 2 1schem V4
Microlith Memory 4 / 113G 1976 LSI VFM Rockwell A5901 CA 2 1schem V4
Sharp EL-104 1976 LSI LED Hitachi HD36370S 1 - - V4
Sharp EL-8010 1976(?) LSI LCD Toshiba T3287 1 - - -
Commodore GL-997 RF 1977 LSI VFM MOS MPS 7563 1 - - V4
National Semiconductor International Computer 1977 LSI-blob LED - 1 - - V4
RT 3 1977 LSI VFM National Semi. MM5795N 1 - - V4H
Texas Instruments TI-57 1977 LSI LED Texas Instruments TMC 1501 NL 1 - - V4
Sharp EL-8131 1978 LSI VFM ? SC36442 2 1schem V4
Texas Instruments TI Programmer 1978 LSI LED Texas Instruments ZA0675 NL 1 - - V4
Casio HL-806 1979 LSI LCD Hitachi HD43111A 1 - - V4
Texas Instruments TI-1025 1979 LSI VFM Texas Instruments TMC 0923 NL 2 1schem V4
Hewlett-Packard 34C 1980 LSI LED Hewlett-Packard / AMI 1820-2162... 1.5 1offline V4
Hewlett-Packard 38C 1981 LSI LED Hewlett-Packard / AMI 1820-2162... 1.5 1offline V4
Texas Instruments TI-30 1981 LSI LED Texas Instruments TMC 0981 NL 1 - - V4
Texas Instruments TI-55 1981 LSI LED Texas Instruments TMC ? 1 - - V4
Casio SL-760 1985 LSI LCD ? ? 1 - - -
Casio TH-10 "Crystal Cal" 1985 LSI LCD ? ? 1 - - V4
(47 items)



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