I also sported a new electronic calculator (but no goatee).

I put it back, and take away his set of pencils and his electronic calculator.

An electronic calculator with delay-line memory, programmed by a connection panel, that was connected to a tabulator or card reader-punch.

This was the first mass-produced electronic calculator to be battery-powered.

Most mechanical calculators were comparable in size to small desktop computers and have been rendered obsolete by the advent of the electronic calculator.