20120242690 | ELECTRONIC DEVICE WHICH RENDERS GRAPH, GRAPH DISPLAY METHOD AND RECORDING MEDIUM IN WHICH GRAPH RENDERING PROGRAM IS RECORDED - Disclosed is an electronic device including a display which displays an image, a graph graphic detection unit which detects a graph graphic matching any of predetermined graph shapes in the image, a graph rendering unit which renders a graph overlapping the graph graphic, a length input line segment designation unit which designates any one of line segments included in the image as a line segment subject to length input, a line segment length input unit which inputs a length of the line segment subject to length input, a point of origin setting unit which sets a point of origin of a coordinate system, a display range calculation unit which calculates a display range of the coordinate system, and a graph equation calculation unit which calculates a graph equation of the graph and displays a calculation result in the display. | 09-27-2012 |