Based on the manufacturer designations of the era, the proper paper size for the Elka EH105 electronic calculator (produced in the early 1970s) is 2¼ inch (57 mm) width adding machine tape.
If you have heard a gritty, out-of-tune string ensemble sound on a Mac DeMarco record or a blown-out, chorus-drenched pad on a synthwave track, there is a chance you were listening to the Elka EH105. elka eh105
Auto Bass Accompaniment: Includes a built-in sequencer to generate rhythmic basslines and chord patterns automatically. Based on the manufacturer designations of the era,
Synthesis Engine: Uses an FM synthesis section providing a variety of preset sounds. Provide a product datasheet if you supply a