| 摘要 |
PROBLEM TO BE SOLVED: To provide a display device capable of displaying a material image such as a triangle and a protractor in an arbitrary size.SOLUTION: The material image data for displaying material images of different kind is prepared in advance. When any one of them is selected, a material image based on the selected material image data is displayed on a display part. When a magnification instruction is made to any of the material images in display, a magnification process according to the magnification instruction is performed with the material image data of the material image for which magnification instruction was made. Thus, based on the material image data after magnification process, the material image having been subjected to the magnification process is displayed on the display part. |
