Block · one region of the page, as the scanner read it. It may hold a whole story, part of one, several, or an advertisement; stitching blocks into articles is the next step. Text is supplied OCR.
Page 3 · column 2 of 7 · from the scan, no model involved
-Percent key —Division key —Multiplicstion key
-Non-edd/sub-totsi key
Cleer entry/deer end totti key
I N-Add/decimel/constent mode selector —-Plus equeU key
r
47.5%