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History
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A TI-59 with a magnetic storage card being inserted into the card reader on the side.
A TI-59 with a magnetic storage card being inserted into the card reader on the side.
HP-41CX with magnetic card reader and thermal printer
HP-41CX with magnetic card reader and thermal printer
A complete range of programmable calculators were developed in former USSR. Some of them (like this MK-52), was used even in space missions.
A complete range of programmable calculators were developed in former USSR. Some of them (like this MK-52), was used even in space missions.
SwissMicros replica of the HP-15C in credit card size
SwissMicros replica of the HP-15C in credit card size
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An electronic pocket calculator with a seven-segment liquid-crystal display (LCD) that can perform arithmetic operations
An electronic pocket calculator with a seven-segment liquid-crystal display (LCD) that can perform arithmetic operations
Scientific calculator displays of fractions and decimal equivalents
Scientific calculator displays of fractions and decimal equivalents
The interior of a Casio FX-991s calculator
The interior of a Casio FX-991s calculator
An office calculating machine with a paper printer
An office calculating machine with a paper printer