Calculator watch

calculationscalculatorswatches
A calculator watch is a digital watch with a built in calculator, usually including buttons on the watch face.wikipedia
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Watch

wristwatchwatcheswristwatches
A calculator watch is a digital watch with a built in calculator, usually including buttons on the watch face.
As miniaturized electronics became cheaper, watches have been developed containing calculators, tonometers, barometers, altimeters, a compass using both hands to show the N/S direction, video games, digital cameras, keydrives, GPS receivers and cellular phones.

Casio Databank

Casio data bankDatabank
The most notable brand is the Casio Databank series, though watches made by Timex were also popular.

Nelsonic Industries

NelsonicNelsonic game watchPrincess Toadstool's Castle Run
These simple video games were variations on the theme of the calculator watch, and the patent covering the Game Watch line is in fact classified as an "electronic calculator watch structure."

Smartwatch

smart watchsmartwatcheswatch phone
While early models could perform basic tasks, such as calculations, digital time telling, translations, and game-playing, 2010s smartwatches have more general functionality closer to smartphones, including mobile apps, a mobile operating system and WiFi/Bluetooth connectivity.

Calculator

pocket calculatorcalculatorselectronic calculator
A calculator watch is a digital watch with a built in calculator, usually including buttons on the watch face.

Timex Group

TimexTimex Corporation
The most notable brand is the Casio Databank series, though watches made by Timex were also popular.

Pulsar (watch)

Pulsar
Calculator watches first appeared in the mid 1970s introduced by Pulsar (1975, then a brand of the Hamilton Watch Company) and Hewlett Packard.

Hamilton Watch Company

HamiltonHamilton WatchHamilton Watches
Calculator watches first appeared in the mid 1970s introduced by Pulsar (1975, then a brand of the Hamilton Watch Company) and Hewlett Packard.

Hewlett-Packard

HPHewlett PackardHewlett-Packard Company
Calculator watches first appeared in the mid 1970s introduced by Pulsar (1975, then a brand of the Hamilton Watch Company) and Hewlett Packard.

Seiko

K. HattoriHattori SeikoLorus
Popular watches include those from Seiko and Citizen, some of which had innovative functions.

Citizenship

citizencitizensburgher
Popular watches include those from Seiko and Citizen, some of which had innovative functions.

Casio

Casio ComputerCasio Computer Co., LtdCASIO Computer Co.
Japanese electronics company Casio produced the largest variety of watches.

Personal digital assistant

PDAPDAspersonal digital assistants
The future of the calculator watch as a practical and useful electronic device has been impacted by the introduction of PDAs, mobile phones, and other powerful multi-functional compact computing devices.

Mobile phone

cell phonemobile phonesmobile
The future of the calculator watch as a practical and useful electronic device has been impacted by the introduction of PDAs, mobile phones, and other powerful multi-functional compact computing devices.

Cassette 50

The compilation was advertised in home computer magazines, with buyers also receiving a Timex digital calculator watch with each purchase.

Wearable technology

wearablewearable devicewearable devices
One early piece of widely adopted pre-modern wearable technology was the calculator watch, which was introduced in the 1980s.

Mr. Bean

Mr Bean1990s British sitcom of the same nameBean
He also usually wears a digital calculator watch.

HP-01

Wearable computer

wearable computingwearableswearable
The HP-01 algebraic calculator watch by Hewlett-Packard was released in 1977.

Mr. Bean (character)

Mr. Beanhis characterMr Bean
Mr. Bean wears a brown tweed jacket, a white shirt, a thin red tie, brown trousers, black shoes and a black digital calculator watch.

IB Group 5 subjects

Group 5Group 5: MathematicsMathematics
All other types of calculators (such as those found on phones, watches, or PDAs, or those equipped with a Computer Algebra System (CAS)) are prohibited on all IB exams.