| 摘要 |
PROBLEM TO BE SOLVED: To retrieve desired data from mass data with a simple operation by controlling the display color or the background color of data displayed by a display means in accordance with the attribute of display data. SOLUTION: The display of a liquid crystal display device in an input display part 12 is controlled by a control part 11. A user uses a pen-like instruction device 13 and executes an operation by instructing data displayed on the input display part 12. A position which the user instructs by the pen-like instruction device 13 is detected by the tablet of the input display part 12 and the position which the user instructs is calculated in the control part 11. The control part 11 executes various controls from a relation between data displayed on the input display part 12 and the position which the user instructs in the input display part 12, A display color control part 15 refers to a display color designation table 16 and controls a displayed index and the background color. The colored index is displayed in accordance with the reading of the index, for example.
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