Applikator (Sound-Generator-Chip SN76477N, Geräusche, Audio, SLF, VCO)

A new series of five financial and scientific calculators featuring an advanced degree of human engineering was announced today by the Hewlett-Packard Company. Prices for the new Series E calculators fall comfortably within reach of students and younger professional and business people. Calculators in the new range are the HP-37E business management, HP-38E advanced financial