I have just acquired some more retro 70’s calculators, they can be seen here
This week; Rockwell ‘The 24K’ (1976), AML Traveller LE-8 (1971), Sinclair Cambridge Programmable (1977) and Sinclair Cambridge Type 3 (1975).
Today, the Hanimex ESR 80 and the Radofin 2200 – Pictures below.

hanimexesr80radofin2200

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