Vintage Calculator

My Vintage Calculator Collection (1975-1985).

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Vintage Calculator Citizen Carry 90M













               Citizen Carry 90M

Date of intro                  1975

Manufacturers           Citizen

Keys                                     24

Display Type                     VFD

Classification                              Pocket

Logic                           Algebraic

Power Source              DC 3V (2 x AA)
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vintage texas instruments calculator













               Texas Instruments TI-30

Year of manufacture       1978

Manufacturers           Texas Instruments

Keys                                     40

Display Type                     Red LED

Functions                      Scientific functions

Logic                                    -

Power Source              9v (PP3 battery)
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PC 4010: Interton Electronic












           Interton Electronic PC 4010

Date of introduction       1975

Functions                            10

Keys                                     23

Display Type                     VFD

Precision                            8

Logic                           Algebraic

Power Source                     PP3 9V
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Canon Palmtronic 8 Calculator


















 Canon Palmtronic 8



Date of introduction       1975-Japan

Functions                      6

Keys                              20

Display Type             VFD

Precision                      8

Logic                    Algebraic

Power               DC 3V (2 x AA)

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UNICO  Calculator
















 UNICO  Calculator



Manufacturers           UNICO

MADE IN                 SINGAPORE

Number of keys                19

Display Type                VFD

Classification                 Pocket

Power               1.5V  battery

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Royal RC-87 Calculator





 Royal RC-87 Calculator


Date of introduction           1976-Germany

Model                                         RC-87

Collectible value                          7/10

Display Type                               VFD

Classification                              Pocket

Power               DC 6V or (4x1.5V  batteries)
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The Vintage Computers Collection during the 1980s

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SANYO - MINI CALCULATOR 








 MINI CALCULATOR (Sanyo CX-8014 )



Date of introduction           1975-JAPAN

Model                                     CX-014

Number of keys                             20

Logic                                    Algebraic

Display Type                               VFD

Classification                              Pocket

Power               DC 6V or (4x1.5V  batteries)

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Vintage Calculator

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The CPUs  Collection during the 1980s


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CASIO MQ-200


 










                    CASIO MQ-200


Date of introduction           1985-JAPAN

Functions                                        5

Number of keys                            31

Logic                                        Algebraic

Display Type                               LCD

Precision                                         8

Power                                           3xAA

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Vintage Calculator for sale #ebay 


The CPUs  Collection during the 1990s

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