Alongside their core Typewriter business,
Commodore dived into the adding machine market in the late 1950s. Here is the
Commodore 217 Adding machine (left) and 202 Adding Machine (right). The model 207
is below (left), the US*121P is below (right), and its slimmer cousin the US*151P is below (center).
Commodore 208 Adding Machine
Commodore 202 Adding Machine
Commodore President Jack Tramiel eventually took a trip
to Japan to see what happening there. When he came back, Commodore changed
direction (not for the first or last time) and began producing
hand-held calculators.