At the start of the 1970s the pocket calculator was the last word in personal electronics, and consumers in Europe looked eagerly towards Japan or the USA for a glimpse of new products. Meanwhile the European manufacturers, perhaps Philips in the Netherlands, or Olivetti in Italy, would no doubt have been putting their best engineers on to the task of delivering the first domestic European models.
This is a companion discussion topic for the original entry at https://hackaday.com/2024/04/24/the-first-european-pocket-calculator-came-from-yugoslavia/