A device for the visual correction, the clearances and / or of the questionnaires, operating on the principle of the validation of a response and / or of a selection by a cross handwritten

摘要

The device has a channel in which a document (200) is placed through an intermediary guide. The channel has external faces on which identical and/or different grids are placed to verify different types of documents. The grids have pre-cut and pre-printed boxes (70), which are perforated by a pen according to results and framed according to the document by arranged windows (12).