This is a list of types of calculators, many of which are obsolete but hoarded by legions of admiring collectors.

Many of these old devices belong in a museum [1] [2]

Casio

• FX-50F
• FX-82
• FX-100D
• FX-350
• FX-850P
• FX-880P
• FX-911Z
• FX-6000 series
• FX-3600 series
  • FX-3600P
  • FX-3600PA
  • FX-3600PV
• FX-3800P
• FX-3900 series
  • FX-3900P
  • FX-3900PV
• FX-4000P
• FX-4100P
• FX-4200P
• FX-4500P
• FX-5000L
• FX-6000 series
• FX-6200 series
• FX-6300 series
  • FX-6300G
• FX-6500 series
• FX-7000 series
• FX-7300 series
• FX-7400 series
• FX-7500 series
• FX-7700 series
  • FX-7700G
  • FX-7400G PLUS
  • FX-7700GA
  • FX-7700GB
  • FX-7700GE
  • FX-7700GH
• FX-7800 series
• FX-8000 series
• FX-8500 series
• FX-8700 series
• FX-8800 series
• FX-9700 series
  • FX-9700GE
• CFX-9800 series
  • CFX-9800G - colour screen 96x64
• CFX-9850 series
  • CFX-9850G - colour screen 128x64 (discontinued)
  • CFX-9850GB plus - colour screen 128x64
• CFX-9970G - colour screen 128x64
• Graph 20
• Graph 25
• Graph 35
• Graph 65
• Graph 100
• Casio Algebra FX 2.0 Plus
• list more Casio calculators here

Hewlett-Packard

• HP 9100A, HP 9100B - desktop programmable RPN calculator
• HP 9805A
• HP 9810A - second generation RPN calculator
• HP 9815A, HP 9815S
• HP 9820A
• HP 9825A
• HP 9830A
• HP-01 - calculator watch
• HP-6S
• HP-9S, 9G
• HP-10
• HP-10B, 10BII
• HP-10C
• HP-11C - inexpensive alternative to HP-15C
• HP-12C, 12C Platinum - very popular finance/business calculator
• HP-17B, 17BII, 17BII+
• HP-15C - first matrix and complex math model
• HP-16C - first computer science model (programmable binary logic functions)
• HP-17B
• HP-18C
• HP-19B, 19BII
• HP-19C
• HP-20S
• HP-21 - smaller/cheaper HP-35 successor
• HP-21S
• HP-22 - smaller/cheaper HP-80 successor
• HP-22S
• HP-25, 25C - inexpensive scientific programmable, C model first with continuous memory
• HP-27 - business/scientific, no programming
• HP-27S
• HP-28C, 28S - first RPL programmable, with graphics
• HP-29C
• HP-30S
• HP-31E
• HP-32E
• HP-32S, SII - exact fractions
• HP-33E, 33S
• HP-34C
• HP-35 - world's first handheld scientific calculator
• HP-37E
• HP-38E, 38C
• HP-38G
• HP-39G, 39G+
• HP-40G
• HP-41C/CV/CX - first alphanumeric, expandable
• HP-42S - HP-41 compatible, dual-line display, non-expandable
• HP-45 - first scientific calculator with a shift key
• HP-46 - printing version of HP-45
• HP-48S, 48SX, 48G, 48G+, 48GX - keyboard reconfigurable, expandable (SX,GX), RPL programmable, graphics
• HP-48GII - released in 2004, emulated software with ARM CPU
• HP-49G
• HP-49G+ - released in 2004, emulated software with ARM CPU
• HP-55 - programmable with timer but no cardreader
• HP-65 - first keystroke programmable, with cardreader
• HP-67 - HP-65 successor
• HP-70 - lower-cost version of HP-80
• HP-80 - first business calculator
• HP-81 - printing version of HP-80
• HP-91
• HP-92
• HP-95C
• HP-97 - desktop, printing version of HP-67
• 124 S - dual power solar desktop calculator

Sharp Corporation

• EL-506V
• EL-520R
• EL-545
• EL-735
• PC-1251
• PC-1350
• PC-1401
• PC-1403
• PC-1500
• list more Sharp calculators here

Sinclair Research

• Sinclair Cambridge (1973-1974)
• Sinclair Enterprise (1977-1978)
• Sinclair Executive (1972-1973)
• Sinclair Oxford (1975-1976)
• Sinclair President (1978)
• Sinclair Scientific (1975-1977)
• Sinclair Sovereign (1977)
• Sinclair Wrist Calculator (1977)

Texas Instruments

• TI-10
• TI-15 Explorer
• TI-25X SOLAR (discontinued)
• TI-2550
• TI-30
• TI-30X IIB
• TI-30X IIS
• TI-34 (discontinued)
• TI-34 II Explorer Plus
• TI-35x (discontinued)
• TI-36X II
• TI-52
• TI-55 III
• TI-57 (discontinued)
• TI-58 (discontinued)
• TI-58 C
• TI-59 (discontinued)
• TI-68 (discontinued)
• TI-74 (discontinued)
• TI-307 Plus (discontinued)
• TI-503 SV
• TI-1706 SV
• TI-1726 (discontinued)
• TI-1766 (discontinued)
• TI-1795 SV
• TI-1975 Plus
• TI-1800 (discontinued)
• TI-5006 II (discontinued)
• TI-5018 (discontinued)
• TI-5019 (discontinued)
• TI-5032 SVC (discontinued)
• TI-5045 SVC
• TI-5630 (discontinued)
• TI-5640 (discontinued)

SR series

• SR-10 - 1973 (discontinued)
• SR-11 (discontinued)
• SR-16 (discontinued)
• SR-50 - 1974 (discontinued)
• SR-51 (discontinued)
• SR-53 (discontinued)
• SR-56 (discontinued)

Graphing

• TI-73 - 1998 (discontinued, replaced by the TI-73 Explorer)
• TI-73 Explorer - 2003
• TI-80 - 1995 (discontinued, replaced by the TI-73)
• TI-81 - 1990 (discontinued, replaced by the TI-82)
• TI-82 - 1993 (obsolete but not discontinued, replaced by the TI-83)
• TI-83 - 1996 (obsolete but not discontinued, replaced by the TI-83 Plus)
• TI-83 Plus - 1999 (obsolete but not discontinued, replaced by the TI-84 Plus)
• TI-83 Plus Silver Edition - 2001 (discontinued, replaced by the TI-84 Plus Silver Edition)
• TI-84 Plus - 2004
• TI-84 Plus Silver Edition - 2004
• TI-85 - 1992 (discontinued, replaced by the TI-86)
• TI-86 - 1997
• TI-89 - 1998 (discontinued, replaced by the TI-89 Titanium)
• TI-89 Titanium - 2004
• TI-92 - 1995 (discontinued, replaced by the TI-92 Plus)
• TI-92 Plus - 1998 (obsolete but not discontinued, replaced by the Voyage 200)
• Voyage 200 - 2002

Elektronika

Elka

• Elka 22
• Elka 43
• Elka 50
• Elka 55
• Elka 101
• Elka 130

Emulators

• GraphCalc (for Microsoft Windows and GNU/Linux)
• Nucalc (for Mac OS)
• Graphing Calculator (for Microsoft Windows and Mac OS)

See also

• abacus
• slide rule
• pocket computer

Links

• Google, including calculator (for the calculator, use the first box), calculator help
• Graphing Calculators in the Mathematics Classroom
• Calculator Museum
• The Museum of HP Calculators
• The Old Calculator Web Museum
• Soviet Calculators Collection
• Museum of Soviet Calculatorsfr:Liste des calculatrices

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