In the mid-1970s, calculators became more affordable and widely used by students and professionals. Companies raced to produce handheld calculators with basic functions at low costs. One such model was the Alcor 888 introduced in 1975 by Alco Marketing. Design The Alcor 888 featured a simple slab-shaped plastic case typical …
In the early 1970s, the emergence of LED display technology enabled the creation of the first handheld electronic calculators. Companies raced to develop and market these novel devices to consumers and businesses. One such calculator was the Ajax 2500, released around 1974-1975 by the British company Acme Electric. With its …
The Adler 80D calculator, also known as the EC 80D, was an early handheld scientific calculator first produced in 1973 or 1974 by the German company T.A Vertriebs. Although largely forgotten today, the Adler 80D was an impressive and substantial machine for its time. The Adler 80D had a uniquely …
The Adler 80C is an early handheld calculator from the 1970s. Manufactured in Germany by TA Vertriebs GmbH, it featured advanced technology for its time. Design The Adler 80C has an unusual and aesthetically pleasing design. The metal body slides down to reveal the battery compartment, and has pronounced ridges …
In the 1970s, electronic calculators became widely available and affordable for the average consumer. Companies competed to make their calculators stand out with innovative designs and features. One such calculator was the Accuron Executive, a stylish model aimed at the “handbag market.” The Accuron Executive was a compact, lightweight calculator …
The Accuron 831 is an early desktop calculator from the 1970s. With its large square keys and bright green vacuum fluorescent display, it has a retro look that is distinctive of that era. The Accuron 831 measures about 4.5 inches wide, 7 inches long, and 1.5 inches thick. It weighs …
The Abatron 803 is an early handheld calculator from around 1974. Manufactured by Business Electronics Ltd in England, it features a sleek, unique design and provides basic four-function calculations. Specifications The Abatron 803 measures 75mm x 148mm x 19mm and weighs 132g without batteries. It is powered by two AA …
In the early 1970s, electronic calculators were just starting to become affordable and portable. Many companies rushed to bring these revolutionary devices to consumers and professionals alike. In 1973, British consumer electronics company Sinclair Radionics made a splash when they released the pocket-sized Sinclair Cambridge calculator. The original Cambridge performed …
In 1980, the Olivetti Logos 9 printing calculator was a major technological breakthrough. Though just a bit larger than a cigarette pack, the Logos 9 had advanced features making it the most sophisticated compact printing calculator in the world at the time. Innovative Design The Olivetti Logos 9 introduced several …
The Casio FX-702P calculator, or pocket computer as some call it, was manufactured from 1981 until 1984. It uses 2 CR-2032 lithium batteries and has an interface for the FP-10 thermal printer and FA-2 compact cassette interface. It has a single line, dot matrix, 20 digit, liquid crystal display and …
