Image of a so called Eurocalculator which was popular at the time of the transition to the <a href="https://en.wikipedia.org/wiki/Euro" class="extiw" title="en:Euro">en:Euro</a>. It's a simple calculator with a programmable conversion between the former national currencies (useable for every currency despite the DM button) and the Euro.
<a href="//commons.wikimedia.org/w/index.php?title=User:Jailbird&amp;action=edit&amp;redlink=1" class="new" title="User:Jailbird (page does not exist)">jailbird</a>
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<span class="int-own-work" lang="en">Own work</span>