DONAU TECH K-DT6004-13 Scientific calculator DONAU TECH, natur. record, 417 functions, 150x85x19 mm, graphite
DONAU TECH K-DT5141-01 Office calculator DONAU TECH, CI-CDB1401BK, 14 digits. display, dim. 201x155x35mm, black
DONAU TECH K-DT5121-01 Office calculator DONAU TECH, CI-CMB1201BK, 12 digits. display, dim. 137x101x30mm, black