This is a list of types of calculators, many of which are obsolete but sought after by collectors. Some museums do maintain collections of calculators. [1] [2] A calculator is a device for performing calculations. ...

Calculated Industries

• Construction Master
• DigiRoller
• Qualifier Plus
• Real Estate Master
• Scale Master
• Time Master

The current version of the article or section reads like an advertisement. ...

Canon

• X-07
• Canon Palmtronic LE-80M
• HS-1200T
• LS-100TS Tax & Business (Solar Powered)

Canon Inc. ... Canon Palmtronic LE-80M calculator (on 5cm squares) The Canon Palmtronic LE-80M is a early hand held calculator. ... The Canon HS-1200T is a calculator with a 12 digit display. ...

Casio

• FX-50F
• FX-50F Plus Since 2006
• FX-68
• FX-80 1980 Model
• FX-81 1981 Model
• FX-82 1982 Model
• FX-82SX
• FX-95MS
• FX-100D
• FX-220
• FX-260 Solar
• FX-300W
• FX-350
• FX-411
• FX-450
• FX-451
• FX-451M
• FX-500A
• FX-570S
• FX-570W
• FX-601P 1979
• FX-602P 1980
• FX-603P Mid-'90s
• FX-702P Early '80s
• FX-850P Mid-'80s
• FX-880P
• FX-911Z
• FX-991 series
  • FX-991 1984.02
  • FX-991D 1991.03
  • FX-991ES
  • FX-991H 1993.06
  • FX-991M 1986.06
  • FX-991MS
  • FX-991N 1988.06
  • FX-991S 1994.02
  • FX-991V 1989.12
  • FX-991W 1998.05
• 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-4600DC
• FX-4800P
• FX-5000L
• FX-5000LA
• FX-5800P Since 2006
• FX-6000 series
  • [FX-6000G]
  • [FX-6500G]
• FX-6300 series
  • FX-6200G
  • FX-6300G
• 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
  • FX-9750G PLUS
• CM-602 Casio Mini Electronic Calculator (also branded Remington)
• CFX-9800 series
• CFX-9850G - colour screen 96x64
  • CFX-9800G - colour screen 96x64
• CFX-9850 series
  • CFX-9850G - colour screen 128x64 (discontinued)
  • CFX-9850GB plus - colour screen 128x64
  • CFX-9850GC plus - colour screen 128x64
• FX-9860G
• CFX-9970G - colour screen 128x64
• Graph 20
• Graph 25
• Graph 35
• Graph 65
• Graph 100
• Casio Algebra FX 1.0
• Casio Algebra FX 2.0
• Casio Algebra FX 2.0 Plus
• Casio ClassPad 300
• HL-820V
• HR-150LC PLUS (2 Color Printing)
• PB-100
• FC-series (Financial Consultant)
  • FC-100V
  • FC-200V
• list more Casio calculators here

Casio Computer Co. ... The Casio FX-100D is a scientific calculator that is also called SUPER-FX. It comes with a protective plastic case with a flip-top lid. ... Casio FX-850P Pocket Computer/Scientific Calculator FX-880P is the big brother (better display, more RAM?) Technical specifications 2 lines with 32 5x7 characters LCD display (some indicators and a 5 digit 7segment display) 8 kb RAM Integrated speaker Internal slot for memory expansion (32kb?) connector with support for... The Casio FX-3900PV is a programmable scientific calculator with 300 steps. ... The Casio FX-7700G was a graphing calculator that was sold during the early 1990s. ... Casio CFX-9850GB Plus is graphing calculator. ... The Casio CFX-9970G is a graphing calculator. ... The Casio ClassPad 300 is the first (and at the time of this writing the only) pen based calculator. ... The Casio FC-200V is a financial calcluator. ...

Citizen Watch Co.

• SR-281
• FEC-1000
• SRP-400G
• SRP-325G
• SRP-350
• SRP-285II
• SRP-280
• SRP-265
• SRP-145T II
• SR-282
• SR-281
• SR-275
• SR-270 II
• SR-260
• SR-135T II

Citizen Watch Co. ...

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 9835A
• HP 9845A
• 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, HP 12c Platinum 25th Anniversary - very popular finance/business calculator
• HP-14B
• HP-15C - first matrix and complex math model
• HP-16C - first computer science model (programmable binary logic functions)
• HP-17B, 17BII, 17BII+
• HP-18C
• HP-19B, 19BII
• HP-19C - version of HP-29C with built-in thermal printer
• 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 - improved version of HP-25, programmable, with continuous memory
• 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 50G - released in August 2006, added extra battery + RS232 + redesigned keyboard + new colour scheme to HP 49g+ Design
• 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-71B - one-line BASIC handheld
• HP-75C, 75D - one-line BASIC handheld
• HP-80 - first business calculator
• HP-81 - printing version of HP-80
• HP-91 - printing scientific desk calculator, similar to [[HP-97] but not programmable
• HP-92
• HP-95C
• HP-97 - desktop, printing version of HP-67
• HP-97S - HP-97 with added BCD interface for data acquisition
• 124 S - dual power solar desktop calculator
• HP-Xpander - First pen calculator prototype. HP canceled the calculator just months before it was suppose to go into production

The Hewlett-Packard Company (NYSE: HPQ), commonly known as HP, is a very large, global company headquartered in Palo Alto, California, United States. ... The HP-10B is a student business calculator. ... The HP-10C is the last and lowest featured calculator in this line even though its number would indicate its lower and earlier origin. ... The HP-10C series calculators were introduced by Hewlett-Packard in 1981. ... The HP-12C is a financial calculator made by Hewlett-Packard. ... The HP-10C series calculators were introduced by Hewlett-Packard in 1981. ... The HP-10C series calculators were introduced by Hewlett-Packard in 1981. ... The HP-18C was a Hewlett-Packard business calculator which was quickly followed by the very similar but greatly improved HP-19B. The HP-18C was HPs first RPL-based calculator although programming was not allowed to the user. ... HP-19C calculator The HP-19C and HP-29C were scientific/engineering pocket calculators made by Hewlett-Packard between 1977 and 1979. ... HP-19C calculator The HP-19C and HP-29C were scientific/engineering pocket calculators made by Hewlett-Packard between 1977 and 1979. ... HP 20S The HP-20S is an algebraic programmable, member of Pioneer series of HP calculators produced from 1989 to 2003. ... The HP-21S is a calculator very similar to the HP-20S except that it is lacking in HEX, DEC, BIN and unit conversions and other features to offer advanced statistics features and random number generator. ... The HP-22S is an electronic calculator from the Hewlett-Packard company which is algebraic and scientific. ... Front view of the HP-25 The HP-25 was a hand-held programmable scientific/engineering calculator made by Hewlett-Packard between 1975 and 1978. ... The term continuous memory was used by HP calculators to indicate that the calculator can preserve its memory contents at all times. ... This article is in need of attention. ... The HP-28s were two graphing calculators produced by Hewlett-Packard from 1987 to 1992. ... The RPL programming language (RPL meaning Reverse Polish LISP or, alternatively, ROM-based procedural language) is a handheld calculator system and application programming language used on Hewlett-Packards engineering graphing RPN calculators of the HP-28, HP-48 and HP-49 series. ... HP-19C calculator The HP-19C and HP-29C were scientific/engineering pocket calculators made by Hewlett-Packard between 1977 and 1979. ... Front view of the HP-25 The HP-25 was a hand-held programmable scientific/engineering calculator made by Hewlett-Packard between 1975 and 1978. ... The term continuous memory was used by HP calculators to indicate that the calculator can preserve its memory contents at all times. ... This article is in need of attention. ... // HP-32S The HP-32S was a programmable RPN Scientific Calculator introduced by Hewlett-Packard in 1988 and discontinued in 1991. ... An HP-35 calculator The HP-35 was Hewlett-Packards first pocket calculator and the worlds first scientific pocket calculator (a calculator with trigonometric and exponential functions). ... The HP-38G calculator The HP-38G is a programmable graphing calculator by Hewlett Packard. ... The HP-40G is an algebraic entry only graphing calculator from HP, based upon the HP-38G platform. ... The HP-41 series are programmable, expandable, handheld RPN calculators made by Hewlett-Packard from 1979 to 1990. ... The HP 42S was released to be a replacement for the aging HP41 series. ... The HP-48 is a series of graphing calculators produced by Hewlett-Packard (HP) from 1990 until 2003, using Reverse Polish notation (RPN). ... This page is a candidate for speedy deletion. ... The HP-49G series are Hewlett-Packard (HP)-manufactured graphing calculators. ... The HP-49G series are Hewlett-Packard (HP)-manufactured graphing calculators. ... The HP-49G series are Hewlett-Packard (HP)-manufactured graphing calculators. ... The HP-65 was the first programmable handheld calculator in the world. ... HP-71B handheld BASIC computer The HP-71B was a hand-held computer or calculator programmable in BASIC, made by Hewlett-Packard from 1984 to 1989. ... The Hewlett-Packard Company (NYSE: HPQ), commonly known as HP, is a very large global company headquartered in Palo Alto, California, United States. ... The HP-Xpander was to be HPs newest graphing calculator, but the project was canceled just months before it was schedule to go into production. ...

Sharp Corporation

• EL-5030 Programmable Calculator with 1K of memory
• EL-506H
• EL-5120
• EL-5103
• EL-506V
• EL-520R
• EL-323
• EL-545
• EL-546W
• EL-735
• PC-1211
• PC-1251
• PC-1350
• PC-1401
• PC-1403
• PC-1500
• PC-E500S
• ELSIMATE EL-240SA [2004]
• list more Sharp calculators here

Sharp Corporation ) (TYO: 6753 ) is a Japanese electronics manufacturer, founded in 1912. ... A Sharp EL-5120 scientific calculator The Sharp EL-5120 is a scientific programmable calculator. ... Sharp PC-1211 is a small handheld computer, also marketed as Tandy TRS-80 PC1. ... The Sharp PC-1251 was a small pocket computer that was also marketed as the Tandy TRS80 PC-3. ... small pocket computer by Sharp Technical Specifications 150x32 pixel LCD display integrated speaker connector for printer and tape drive 2 built in batteries Features of this model included a BASIC interpreter, an 8-bit sharp CPU, 150x32 pixel display, 8+32K ROM, 4K RAM which was expandable with a RAM... Small scientific calculator and pocket computer The PC 1401 was a combination scientific calculator and computer with BASIC interpreter. ... small scientific calculator and pocket computer sequel of the Sharp PC-1401 (better display, more RAM, better system software,...) 2 versions had either 8kbyte? RAM or 32kbyte RAM (?) Technical Specifications 24 digit (5x7 pixel) LCD display Integrated speaker Connector for printer and disk drive No contrast adjustment Categories: Computer stubs... Pocket computer produced by Sharp. ... Sharp PC-E500S The Sharp PC-E500S was a 1995 pocket computer by Sharp Corporation and was the successor to the PC-E500 model, featuring a 2. ...

Sinclair Research

• Sinclair Cambridge (1973-1975)
• 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)

Sinclair Research Ltd was a home computer company founded by Clive Sinclair in Cambridge, England. ... Sinclair Cambridge with its case (on 5cm squares) The Sinclair Cambridge calculator was a 4-function, pocket-sized calculator manufactured by Sinclair Research Ltd. ... The Sinclair Executive was Clive Sinclairs first venture into the pocket calculator market. ... Sinclair Oxford 300 calculator. ... The Sinclair Scientific calculator was a 12-function, pocket-sized calculator, selling for about $100. ... The Silver Sovereign was a high-end calculator introduced by Sinclair Research Ltd of the United Kingdom in 1976, it was one of the last Sinclair calculators. ...

Texas Instruments

• TI-10
• TI-15 Explorer
• TI-25X SOLAR (discontinued)
• TI-2550
• TI-30
• TI-30XA
• TI-30X IIB
• TI-30X IIS
• TI-34 (discontinued)
• TI-34 II Explorer Plus
• TI-35x (discontinued)
• TI-36X Solar
• TI-36X II
• TI-36X IIS
• TI-52
• TI-55 III
• TI-57 (discontinued)
• TI-58 (discontinued)
• TI-58 C
• TI-59 (discontinued)
• TI-65 - 1986
• TI-66
• 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)

Texas Instruments (NYSE: TXN), better known in the electronics industry (and popularly) as TI, is an American company based in Dallas, Texas, USA, renowned for developing and commercializing semiconductor and computer technology. ... TI-10 is the most basic educational calculator offered by Texas Instruments, aimed at students in grades K-3. ... TI-15 Explorer is a calculator designed by Texas Instruments, intended for use in classes from grades 3-5. ... The original TI-30 The TI-30 is a scientific calculator introduced in 1977 and manufactured by Texas Instruments. ... The TI-36X Solar was originally introduced in 1991 as an enhancement to the TI-36 Solar. ... TI-36X II is a scientific calculator made by Texas Instruments. ... The TI-55 III is a programmable calculator made by Texas Instruments. ... The TI-57 is a programmable calculator made by Texas Instruments with LED display, 50 program steps and 8 memory registers. ... The TI-58 C The TI-58 C was a programmable pocket calculator made by Texas Instruments (TI). ... Part of the 58/58 C/59 series high end LED programmable calculators offered by Texas Instruments. ... A TI-59 showing one card in the holder on the front of the calculator and another being inserted into the card reader in the side. ... 1986 (MCMLXXXVI) was a common year starting on Wednesday of the Gregorian calendar. ... The TI-68 was Texas Instrumentss last available pocket programmable calculator. ... The Texas Instruments TI-74 Basicalc is a type of programmable calculator, which was released in 1985 to replace the CC40. ...

Business/Financial Calculators

• TI Business Analyst (discontinued)
• TI Business Analyst I (discontinued)
• TI Money Manager (discontinued)
• The MBA (discontinued)
• TI Business Analyst II (discontinued)
• TI Investment Analyst (discontinued)
• BA-35 Student Business Analyst (discontinued)
• BA-55 (discontinued)
• BA III (discontinued)
• BA-54 (discontinued)
• BA-SOLAR (discontinued)
• Personal Banker (discontinued)
• Business Edge (discontinued)
• FIA-10 (discontinued)
• BA II PLUS
• BA Real Estate (discontinued)
• BA 20 Profit Manager
• BA II PLUS PROFESSIONAL

SR series

• SR-10 - 1973 (discontinued)
• SR-11 (discontinued)
• SR-16 (discontinued)
• SR-50 - 1974 (discontinued)
• SR-51 (discontinued)
• SR-52 - 1974 (discontinued)
• SR-53 (discontinued)
• SR-56 (discontinued)

1973 (MCMLXXIII) was a common year starting on Monday. ... The SR-50. ... 1974 (MCMLXXIV) was a common year starting on Tuesday. ... 1974 (MCMLXXIV) was a common year starting on Tuesday. ...

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
• TI-83 Plus Silver Edition - 2001 (discontinued but not obsolete, 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

TI-73 series are graphing calculators made by Texas Instruments. ... TI-73 series are graphing calculators made by Texas Instruments. ... The TI-80 TI-80 is a graphing calculator made by Texas Instruments. ... The TI-81 is the oldest graphing calculator made by Texas Instruments. ... A TI-82 graphing calculator, as purchased in France in 1994. ... The TI-83 series graphing calculators are manufactured by Texas Instruments. ... The TI-83 series graphing calculators are manufactured by Texas Instruments. ... The TI-83 series graphing calculators are manufactured by Texas Instruments. ... Categories: Stub | Graphing calculators ... Categories: Stub | Graphing calculators ... TI-85 graphing calculator The TI-85 is a graphing calculator made by Texas Instruments based around the Zilog Z80 microprocessor. ... TI-86 The TI-86 is a programmable graphing calculator introduced in 1997 and produced by Texas Instruments. ... The TI-89 and the TI-89 Titanium are graphing calculators developed by Texas Instruments. ... The TI-89 and the TI-89 Titanium are graphing calculators developed by Texas Instruments. ... The Texas Instruments TI-92 calculator, originally released in 1995, was a large calculator with a QWERTY keyboard. ... The Texas Instruments TI-92 calculator, originally released in 1995, was a large calculator with a QWERTY keyboard. ... The Texas Instruments TI-92 calculator, originally released in 1995, was a large calculator with a QWERTY keyboard. ...

Tooling U

• Machinist Calculator (MC-20)

Tooling University is an unaccredited online training service providing workforce development training for precision metalworkers, or tool and die workers. ... Machinist Calculator (MC-20). ...

Elektronika

Elektronika was the brand name used for many different electronic products such as calculators, electornic watches, portable games and radios. ... The Elektronika MK-18M (Russian: Электро́ника МК-18М) was the scientific calculator manufactured in the Soviet Union; it was released in 1986. ... The Elektronika MK-52 (Russian: Электро́ника МК-52) is a non-BASIC, RPN-programmable calculator which was manufactured in the Soviet Union and Ukraine during the years 1983 to 1991. ... The MK-61 The MK-61 is one of the most powerful (non-BASIC) Soviet calculators ever manufactured; it had a Cyrillic keyboard and was also an RPN calculator. ...

Elka

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

ELKA - The brandname of Bulgarian manufacturer of electronic calculators Izot. The name ELKA comes from ELectronic KAlkulator (as its in bulgarian) and becomes appellative for this kind of devices in bulgarian language. ... The Elka 22 is the first Bulgarian electronic calculator; it was released in 1965. ...

Emulators

• Expensive Desk Calculator (for TX-0 and PDP-1)
• GraphCalc (for Microsoft Windows and GNU/Linux)
• Graphing Calculator (for Microsoft Windows and Mac OS)
• Nucalc (for Mac OS)
• Virtual TI (for Microsoft Windows)

Expensive Desk Calculator by Robert A. Wagner is thought to be computings first interactive calculation program. ... The TX-0, for Transistorized Experimental computer zero but affectionately referred to as the tixo, was the first fully transistorized computer to enter service and contained a then-huge 64K of 18-bit words of core memory. ... The PDP-1 (Programmed Data Processor-1) was the first computer in Digital Equipments PDP series and was first produced in 1960. ... Screenshot of GraphCalc in Windows XP GraphCalc is an open source and GPLed computer program that runs in Microsoft Windows and Linux that emulates the functionality of a graphing calculator. ... Microsoft Windows is a family of operating systems by Microsoft. ... Linux (also known as GNU/Linux) is a Unix-like computer operating system. ... A graphing calculator is a special kind of scientific/engineering calculator that is able to display and/or analyze mathematical function graphs. ... NuCalc, also known as Graphing Calculator, is the name of a computer software tool, made by the company Pacific Tech, capable of performing many graphing calculator functions. ... Mac OS, which stands for Macintosh Operating System, is a series of graphical user interface-based operating systems developed by Apple Computer for their Macintosh line of computer systems. ... Virtual TI (also known as VTI) is a graphing calculator emulator for Microsoft Windows written in C++ by Rusty Wagner. ...

See also

• abacus
• slide rule
• pocket computer

An abacus is a calculation tool, often constructed as a wooden frame with beads sliding on wires. ... The slide rule (often nicknamed a slipstick) is a mechanical analog computer, consisting of at least two finely divided scales (rules), most often a fixed outer pair and a movable inner one, with a sliding window called the cursor. ... A pocket computer is a small calculator-sized computer programmable in BASIC. This specific category of computers existed primarily in the 1980s. ...

External 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 Calculators
• MyCalcDB 70's and 80's calculators database.
• Cold War Calculators Calculators produced for military and civil defence use.