The Casio H-1 is a slim, handheld calculator released in 1982-1983. It measures 77mm x 136mm x 19.7mm and weighs 108g without batteries. The H-1 is powered by two AA batteries or an optional AC adapter. With manganese batteries it lasts about 8 hours, while alkaline batteries extend use to …
Personal computers were still in their infancy in the early 1980s, and scientific calculators represented the pinnacle of portable computing power. Japanese manufacturer Casio had been producing calculators since the 1970s, but took a huge leap forward in capabilities with the 1985 launch of the Casio FX-7000G. This was Casio’s …
The Casio FX-110 is a vintage scientific calculator from 1977. It has a sleek design with a white plastic base and black top. The keys are arranged in the standard Casio layout that remained popular well into the LCD calculator era. This model features a 10-digit blue vacuum fluorescent display …
The Casio FX-39 was a scientific calculator released in 1978. With its sleek white and black plastic case, brushed aluminum accents, and bright blue vacuum fluorescent display, it exemplified the clean industrial design Casio calculators were known for. Measuring 84mm x 152mm x 22.5mm and weighing 146g without batteries, the …
The Casio FX-31 was an early scientific calculator released by Casio Computer Co. Ltd. in 1978. This calculator had a sleek design with a white plastic base and dark blue plastic top. The model featured an 8-digit vacuum fluorescent display, allowing calculations up to 10 digits of precision. Some key …
The Casio FX-29 is a scientific calculator from 1977. It has a sleek plastic case with brushed aluminum panels and measures 84mm x 152mm x 22.5mm. Weighing 148g without batteries, the FX-29 runs on two AA batteries or an AC adapter. The calculator features a blue vacuum fluorescent display (VFD) …
The Casio FX-20 was an early scientific calculator released in 1975-1976. It had a sleek, modern design for the time with a brushed aluminum front panel and black plastic body. The calculator measured about 74.5mm x 132mm x 24.6mm and weighed 124g without batteries. The FX-20 was powered by two …
The Casio FX-19 is a scientific calculator released in 1976. With dimensions of 89mm x 148mm x 28mm and weighing 180g without batteries, it is a relatively compact and portable device. Power is supplied by 4 AA batteries or through an adapter socket on the side, providing 6V DC at …
The Casio FX-17 was an early scientific calculator released in 1976. This chunky model measured about 90mm x 150mm x 30mm and weighed 176g without batteries. It used a 6V DC power supply from 4 AA batteries or an optional AC adapter. The FX-17 had a tilted blue vacuum fluorescent …
The Casio FX-11 is a large, bulky scientific calculator from 1974. It measures approximately 95mm x 150mm x 30mm (width, height, depth) and weighs 222g without batteries. The calculator requires 4 AA batteries or can use an AC adapter. The FX-11 has a smooth white plastic two-piece case. The display …
