Display is 8 digits, green vacuum fluorescent.
4 function, %, square root, pi.
Integrated circuit - Sharp LI2013, here probably date coded 1982.
185 x 226 x 61 mm (7.3" x 8.9" x 2.4").
Although this site concentrates on calculators made before 1980, this calculator is included since it is typical of the Busicom models marketed by Broughtons in the years after the original Japanese company went out of business. It is also typical of dozens of desktop calculators made by many companies in the 1980s.
The circuit board, showing the Sharp chip and the vacuum-fluorescent display.
© Text & photographs copyright Nigel Tout 2000-2018 except where noted otherwise.