VARIABLE MAGNIFICATION DISPLAY SYSTEM

PURPOSE:To easily recognize the whole of a document by providing a format change processing part, a display system switching processing part, a display system discrimination processing part, an unmagnification display processing part, a display magnification calculating part, and a variable magnification display processing part. CONSTITUTION:A format change processing part 11 to change the format of the document and a display system switching processing part 12 for switching between unmagnification display and variable magniflcation display based on information from an input part 10 are provided. A display system discrimination processing part 131 which discriminates the unmagnification display system or the variable magnification display system at the time of display, an unmagnification display processing part 132 which displays a picture for document proofreading on a display part 14 with unmagnification in the case of the unmagnification display system, a display magnification calculating part 133 which calculates the magnification of display so that characters per row can be put within the picture in the case of the variable magnification display system, and a variable magnification display processing part 134 which reduces and displays the constituted picture with the calculated magnification are provided. Consequently, the whole of the document is made easy to recognize, and characters are seen in a required minimum size.