Commodore SR4120D

The Commodore SR4120D calculator is a scientific calculator that was produced in 1978. Manufactured by Commodore and assembled in England, this calculator incorporates components and boards sourced from Japan. A sign of the growing global nature of electronics manufacturing at the time. The SR4120D is housed in a large, tilted, …

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Commodore SR-1800

The Commodore SR-1800 calculator, introduced in 1976, is a scientific calculator that has the design principles of Commodore’s earlier models but with a more modern look. Manufactured by Commodore in Japan, this calculator has a distinctive wedge-shaped design with a two-piece matte black plastic case, making it good for both …

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Commodore PR 100

The Commodore PR 100 calculator, introduced in the late 1970s, has a slightly different look from other Commodore calculators of that era. It was manufactured by Commodore Electronic Calculators in England. The PR 100 features a distinctive two-piece stippled chocolate-brown plastic case, a departure from Commodore’s typical primary color schemes. …

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Commodore P50

The Commodore P50 calculator, introduced in 1975, is a scientific calculator that stands out for its unique design and functionality. Manufactured by Commodore Electronic Calculators in Hong Kong, this calculator offers a range of features that cater to both basic and advanced mathematical needs. The P50 is housed in a …

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Corvus 415

The Corvus 415 caclulator was released in 1974 by the Corvus Corporation – a consumer division of the semiconductor giant MOSTEK. With dimensions of approximately 76mm x 150mm x 36mm and a weight of 216g (including rechargeable batteries), it feels sturdy yet portable, designed to function equally well as a …

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Commodore Minuteman 3 Metric

In the mid-1970s, as pocket calculators began transitioning from luxury items to everyday tools, the Commodore Minuteman 3 Metric calculator stood out for its blend of practicality and thoughtful design. Manufactured in England in 1974, this calculator was built for durability and precision, packaged in a compact, palm-sized white plastic …

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Commodore GL-997R

The Commodore GL-997R calculator, released in 1975 by Commodore Business Machines, is part of the Custom Green Line series. It balances functionality with a distinctive aesthetic, reflecting Commodore’s transition from office machinery to consumer-oriented devices. Manufactured in both the UK and Japan, the GL-997R was marketed as a reliable tool …

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Commodore GL-996R

The Commodore GL-996R is an arithmetic calculator that offers 8 digits of precision and operates with algebraic logic. Released in 1975, this calculator is a product of Commodore Japan Limited, with manufacturing taking place in both Japan and the UK. The GL-996R is part of Commodore’s Custom Green Line series, …

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Commodore GL-986R

The Commodore GL-986R is a vintage arithmetic calculator that offers 8 digits of precision and operates using algebraic logic. Released in 1974, this calculator provides basic yet reliable functionality for everyday calculations. Manufactured by Commodore Japan Ltd., the GL-986R is a product of Japanese engineering, known for its quality and …

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Commodore GL-979D

The Commodore GL-979D calculator, introduced in 1975, is a member of Commodore’s Custom Green Line family. This arithmetic calculator offers 8-digit precision and operates on algebraic logic, making it a reliable tool for everyday calculations. The calculator features a 7-digit VFD (vacuum fluorescent display), which provides a clear and bright …

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