The Commodore US-10 calculator, manufactured in the USA in 1973, is a robust and functional calculator designed for everyday use. With its chunky design and bright orange Panaplex display, it stands out among calculators of its era. The calculator is powered by mains electricity (230V 50-60Hz) through a permanently fixed, …
The Commodore SR9190R calculator, introduced in 1978, is a nice scientific calculator designed for durability and functionality. Manufactured by Commodore in Hong Kong, this calculator was built to cater to the needs of users requiring advanced mathematical capabilities. The SR9190R features a sleek, two-piece stippled black plastic case with silver …
The Commodore SR9120D calculator, introduced in 1975, is a product of Commodore Japan Limited. This calculator offers a blend of functionality and style that sets it apart from other models of its time. Measuring approximately 75mm x 140mm x 30mm (width, height, depth) and weighing 130g (excluding batteries), the SR9120D …
The Commodore SR8120, released in 1976, is a compact scientific calculator from Commodore Business Machines Inc., part of their “7 and 8” series that included models with 9 or 14 digits. It was also known as the SR8120D. Measuring approximately 75mm wide, 145mm tall, and 24mm deep, it weighs 114g …
The Commodore SR7919 calculator, released in 1976, was part of Commodore’s scientific line of calculators. Manufactured in the United Kingdom, this calculator features a distinctive two-piece beige and black plastic case with a top-heavy design to accommodate its 9V battery. The SR7919 measures approximately 62mm x 135mm x 23mm and …
The Commodore SR4912 scientific calculator, released in 1978, represents an interesting piece of late 1970s ccalculator technology. Manufactured in Hong Kong, this handheld device packed considerable mathematical capabilities into a compact form factor measuring approximately 80mm x 147mm x 20-40mm and weighing just 124 grams without batteries. The calculator’s physical …
The Enterprex BJ-21 Black Jack calculator was introduced in 1978 and manufactured by Nam Tai Electronic Company Ltd. in Kowloon, Hong Kong. The BJ-21 has a sleek design and unique features, making it an interesting piece of technology from the late 1970s. The calculator has a slim and tall profile, …
The Commodore SR4190R calculator, introduced in 1976, is from Commodore’s scientific calculator line. It was manufactured in England but most of the parts were made in Japan. It retailed for $79.95. The SR4190R boasts a large, tilted case made from textured black plastic, with a heavily inset, tilted red plastic …
The Commodore SR4148R calculator, introduced in 1975, is from the era when electronic calculators were beginning to replace mechanical slide rules. Manufactured by Commodore Business Machines, Inc., in the U.S. this calculator offered a range of features that catered to both scientific and general mathematical needs. The SR4148R is housed …
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, …
