The Calculator Museum - Desktop Calculator Gallery

Feature Articles on Desktop Calculators, roughly in chronological order:

Hewlett-Packard HP9100 programmable scientific desktop calculator

Sharp 360-series calculators, covering models 361R, 363R, 364R, and 6401

Friden and Singer desktop calculators

Dictaphone desktop calculators, covering model 1420

Compucorp & Monroe 300-Series calculators, covering models 324, 326, 344 and 360

Compucorp-manufactured desktop scientific calculators, including Monroe models by Compucorp.

SCM Marchant and Cogito electronic desktop calculators

Addo-X model DX4 desktop calculator

Photo Gallery - more information on these machines to come soon:

• Photo of Adler 1612
• Close-up photo of 1612 keyboard

APF Mark 1 Desktop Calculator with 8-digit neon tube display

• Photo of APF Mark 1
• Photo of internal view of Mark 1
• Close-up photo of Mark 1 neon tube display

Burroughs C3260 Desktop Calculator with VF tube display

• Photo of C3260
• Close-up photo of C3260 keyboard
• Photo of C3260 display with upper 8 digit result of 12345678*12345678
• Photo of C3260 display with lower 8 digit result of above

Burroughs C3350 Desktop Calculator with nixie tube display

• Photo of C3350
• Close-up photo of C3350 keyboard

Burroughs EA2300 Desktop Calculator with Panaplex display and printer

• Photo of EA2300
• Close-up photo of EA2300 keyboard

• Photo of CalcuCake

Canon Canola L163 16-digit Nixie-Tube Calculator

• Photo of Canola L163
• Close-up photo of L163 keyboard

Canon Canola L810 Desktop Calculator with 8-digit Panaplex display

• Photo of Canola L810
• Photo of internal view of L810

Casio 122-F Desktop Calculator with VF display and Special Function selector

• Photo of Casio 122-F
• Close-up photo of Special Function selector switch

Logic Data model TW 8-digit calculator with single-glass-envelope nixie tube array display

• Photo of Logic Data Model TW

Photo of Monroe The Calculator Company Logo

Monroe 420 12-digit Panaplex-display Calculator

• Photo of Monroe 420

Monroe 620 13-digit Nixie-Tube Calculator

• Photo of Monroe 620
• Close-up of alternate Monroe/Litton logo variation

Monroe 1930 Statistics calculator with Panaplex display

• Photo of Monroe 1930

Olivetti Logos 41PD Desktop VF Display and Printing Calculator

• Photo of Logos 41PD
• Profile view of Logos 41PD

Olivetti Logos 250 Desktop Printing Calculator

• Photo of Logos 250
• Close-up of Logos 250 keyboard

Olympia CD-300 12-digit Nixie-Tube Calculator with no LSI-ICs

• Photo of Olympia CD-300
• Close-up photo of CD-300 keyboard

Sanyo ICC-811 8-digit calculator with Neon-Planar display, in transistor-radio case

• Photo of Sanyo ICC-811

Sharp Compet 243V 14-digit Panaplex-Display Desktop Calculator

• Photo of Compet 243V

Sperry Remington 1207 Calculator with Vacuum Fluroescent tube display

• Photo of Remington 1207
• Photo of internal construction of Remington 1207

Sperry Remington Lektronic-2 Calculator with Vacuum Fluroescent tube display

• Photo of Lektronic-2
• Photo of internal construction of Lektronic-2

Texas Instruments SR-22 Octal/Decimal/Hexadecimal Calculator

• Photo of SR-22 with AC power adapter
• Close-up of SR-22 keyboard and display, in HEX mode

Toshiba BC-1212 12-digit Nixie-Tube Calculator

• Photo of Toshiba BC1212
• Photo of internal construction of Toshiba BC1212
• Photo of Toshiba BC1212 top Printed Circuit Board
• Photo of Toshiba BC1212 bottom Printed Circuit Board

Toshiba BC-1414 14-digit Vacuum-Fluorescent Tube Display Calculator

• Photo of Toshiba BC1414

Underwood 400a Printing Calculator

• Photo of Underwood 400a
• Profile view of Underwood 400a

Unisonic XL-131 Desktop VF Display and Printing Calculator

• Photo of XL-131
• Photo of original box for XL-131

Victor 1800 Desktop calculator with 12-digit Panaplex display

• Photo of Victor 1800 Panaplex display calculator
• Photo of Victor 1800 Printed Circuit Board - mounted in lower section of calculator.
• Photo of inside of top section of Victor 1800 - showing reverse side of keyboard PCB and the Panaplex display circuitry.

Wang 300 series electronics package and keyboard units

• Photo of Wang 320SE four-user calculator electronics package
• Photo of Wang 320SE with cover removed showing internal construction
• Photo of Wang 320K calculator keyboard/display unit
• Photo of Wang 320KT calculator keyboard
• Photo of Wang 360K calculator keyboard
• Photo of Wang 360KT calculator keyboard

Weltron battery-operated 8-digit Neon-Tube Display Portable Desktop Calculator

• Photo of Weltron

Desktop Calculator Photo Gallery Annex:

• Photo of Brother PRO_CAL 408 Photo courtesy of Joseph Lerro
• Photo of VF display of Brother PRO_CAL 408 Photo courtesy of Joseph Lerro
• Canon 120 12-digit Nixie-tube calculator Photo courtesy of Mark Crandall
• Canon L121 12-digit Nixie-tube calculator Photo courtesy of Joseph Lerro
• Close up of Nixie display of Canon L121 Photo courtesy of Joseph Lerro
• Canon Canola MP142R Printing Calculator with LED indicator for # of digits entered
• Casio fx-3 desktop scientific calculator Photo courtesy of Bob Noble
• Casio AS-L Nixie-tube calculator Photo courtesy of Ken Meine
• Commodore 412 12-digit VF-tube calculator Photo courtesy of Anthony Casillo - web site
• Digitmaster 12-digit calculator with Panaplex display, made in Japan, uses Mostek MK5011P IC. Photo courtesy of Len Rusnak
• Facit 1183 12-digit calculator with Panaplex display Photo courtesy of Tom Drewski
• Friden (Singer) EC-1117 12-digit Nixie-tube calculator Photo courtesy of Ken Meine
• Monroe 1610 Nixie-tube scientific calculator
• Monroe 1710 Nixie-tube scientific calculator Photo courtesy of Larry Wilhelm
• Close up of LCD display of Sears model 801.58020 desktop calculator Photo courtesy of Joseph Lerro
• Internal view of backlight arrangement for Sears model 801.58020 desktop calculator Photo courtesy of Joseph Lerro
• Sharp EL-160 desktop calculator with Itron VF tubes Photo courtesy of Don DiGalbo
• Sharp PC-1001 desktop scientific programmable calculator Photo courtesy of Bruce DeRienze
• Close up of Sharp PC-1001 keyboard Photo courtesy of Bruce DeRienze
• Toshiba Toscal 1411 Nixie-tube calculator Photo courtesy of Dave Brandt

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