Victor 3900
... that the Victor 3900 was the first electronic calculator using custom integrated circuits, allowing it to be "smaller than a typewriter"?
... that the <b id="mwAYg"><a href="./Victor_3900" id="mwAYk" rel="mw:WikiLink" title="Victor 3900">Victor<span id="mwAYo" typeof="mw:Entity"> </span>3900</a></b> <i id="mwAYs">(example pictured)</i> was the first <a href="./Calculator" id="mwAYw" rel="mw:WikiLink" title="Calculator">electronic calculator</a> using custom <a href="./Integrated_circuit" id="mwAY0" rel="mw:WikiLink" title="Integrated circuit">integrated circuits</a>, allowing it to be "smaller than a typewriter"?