Very early HP25

[Etienne Victoria]

From the Museum (Collector's corner)

Quote:Comma and Dot Variations

Some HP calculators made for the European market had the commas and dots reversed as compared to their American counterparts. The 20 series used two different displays with the decimals being either square or triangular. The triangular decimals could be interpreted as either dots or commas and so were sold in both the US and Europe. The 30 series models had a jumper change between European and U.S. comma/point formats. (Many later models can be switched by the user.)