List of calculators

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]

Table of contents

1 Casio 2 Hewlett-Packard 3 Sharp Electronics 4 Sinclair Research 5 Texas Instruments 6 Elektronika 7 Elka 8 Emulators 9 See also 10 Links

Casio

• fx-82
• fx-350
• fx-6300G
• fx-100D
• CFX-9850G - colour screen
• Graph 20
• Graph 25
• Graph 35
• Graph 65
• Graph 100
• list more Casio calculators here

Hewlett-Packard

• HP-35 - first scientific calculator
• HP-80 - first business calculator
• HP-45 - first scientific calculator with a shift key
• HP-65 - first keystroke programmable, with cardreader
• HP-70 - lower-cost version of HP-80
• HP-55 - programmable with timer but no cardreader
• HP-46 - printing version of HP-45
• HP-81 - printing version of HP-80
• HP-21 - smaller/cheaper HP-35 successor
• HP-22 - smaller/cheaper HP-80 successor
• HP-25, 25C - inexpensive scientific programmable, C model first with continuous memory
• HP-27 - business/scientific, no programming
• HP-67 - HP-65 successor
• HP-41 - first alpha-numeric, expandable
• HP-15C - first matrix and complex math model
• HP-16C - first computer science model (programmable binary logic functions)
• HP-28C, 28S - first RPL programmable, with graphics
• HP-32S II - fractions
• HP-48 - keyboard reconfigurable, expandable (SX,GX), RPL programmable, graphics
• HP-49G
• HP-49G+ - newly released
• 124 S Dual Power Solar Desktop Calculator

Sharp Electronics

• EL-520R
• list more Sharp calculators here

Sinclair Research

• Sinclair Scientific
• list more Sinclair calculators here

Texas Instruments

• TI-30
• TI-58
• TI-58 C
• TI-59
• TI-73
• TI-80
• TI-81
• TI-82
• TI-83
• TI-83 Plus
• TI-83 Plus Silver Edition
• TI-85
• TI-86
• TI-89
• TI-92
• TI-92 Plus
• Voyage 200

Elektronika

• BZ-21
• BZ-34
• MK-52
• MK-54
• MK-61

Elka

• Elka 22
• Elka 101
• Elka 130

Emulators

• GraphCalc

See also

• abacus
• slide rule
• pocket computer

Links

• The Museum of HP Calculators
• The Old Calculator Web Museum
• Google, including calculator (for the calculator, use the first box), calculator help