The Citizen 800R calculator, released in 1973, represents a pivotal moment in the evolution of handheld computing devices. This sturdy machine, equally at home on a desk or in hand, exemplifies the transitional period between the first generation of electronic calculators and the more sophisticated models that would follow. Measuring …
The Citizen 800D calculator, manufactured by Citizen Business Machines Inc. in Japan, represents a notable entry in the realm of handheld electronic calculators from the mid-1970s. Released in 1976, this device exemplifies the rapid technological advancements of its era, offering users a compact yet powerful computational tool. Measuring approximately 82mm …
The Citizen Eight calculator, introduced in 1976, is a fascinating piece of technological history from the era when electronic calculators were becoming increasingly compact and affordable. This palm-sized device, measuring 64mm x 100mm x 22mm and weighing just 84 grams without batteries, epitomizes the drive towards miniaturization in consumer electronics …
The Casio Personal-8 is a compact and sleek calculator that exudes a sophisticated design. Measuring 73mm x 125mm x 23mm and weighing a mere 116g without batteries, this calculator boasts a smooth black plastic case with an aluminum inset on the front and sides. Its rounded corners and ridged end …
The Casio Personal-I, also known as the H-802, is a handheld calculator manufactured by Casio Computer Co. Ltd. in 1976. This compact device measures approximately 74mm x 123mm x 22mm (w,h,d) and weighs 108g, including batteries. It features a two-piece plastic case with a smooth white base and a matte …
The Casio Mini-8, also known as the Y-800, is a handheld calculator manufactured by Casio Computer Company Ltd. in Japan around 1975. This horizontal format calculator features a two-piece case made of dark brown and light beige smooth plastic, with a slightly wedge-shaped design. The raised and tilted display area …
The Casio Mini Memory calculator is a handheld, horizontal-format calculator produced by Casio Computer Company Ltd. in Japan around 1974. It features a two-piece black and white plastic case with a grooved keyboard panel and inset display escutcheon. The large, hollow-sounding keys provide a good tactile feel. This version has …
The Casio Mini Memory calculator was a compact handheld device introduced in 1974 by Casio Computer Company Ltd. in Japan. This horizontal format calculator featured a two-piece black and white plastic case measuring approximately 156mm x 82mm x 30mm and weighing 188g without batteries. This particular version has a light …
The Casio Mini CM-605 was a compact horizontal format calculator produced by Casio Computer Company Ltd. in 1974. Measuring approximately 146mm x 72mm x 30mm and weighing 162g without batteries, this two-piece black and white plastic casing housed a 4 function calculator with a 6-digit blue VFD display. The display …
The Casio Mini CM-604 calculator is a handheld device that was manufactured by Casio Computer Company Ltd. in 1974. This horizontal format calculator features a two-piece case made of dark brown and beige smooth plastic, with an inset and slightly tilted neutral display filter framed by a white printed escutcheon. …
