Most electronic calculators before the EL-8 were intended for desktop use. Sharp's predecessor to the EL-8, the battery-powered QT-8B, was just a portable version of a compact desk calculator.
Prior to the EL-8, most electronic calculators were intended for desktop use. Sharp's precursor to the EL-8, the battery-operated QT-8B, functioned as a portable version of a small desk calculator.