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 …
The HP-15C calculator was produced by Hewlett-Packard from 1982 until it was discontinued in 1989. It had an original MSRP of $134.99. The 15C was part of HP’s Voyager line of calculators that began in 1981. The Voyager line, including the 15C, are all programmable calculators and use Reverse Polish …
This HP 35 was the first scientific pocket calculator and was introduced in 1972. It stayed in production until 1975 and retailed at a price of $395.00. The 35 was allegedly a hack by an HP engineer of the HP 9100 which was a large desktop calculator with a price …
