4 ms·
Some of us have been using indexes since 1896 or so. http://en.wikipedia.org/wiki/Edge-notched_card http://en.wikipedia.org/wiki/Edge-notched_card
by ksherlock 12y ago
Some of us have been using indexes since 1896 or so. http://en.wikipedia.org/wiki/Edge-notched_card http://en.wikipedia.org/wiki/Edge-notched_card