| 摘要 |
A display that displays a graph corresponding to a function expression, an input unit that specifies a plurality of point positions on the graph displayed on the display unit, a processor that performs display control of a graph corresponding to a function expression on the display unit, does a specific calculation on the basis of positional information on a plurality of pointers displayed on the display unit and the function expression of the graph and performs display control of a result of calculation on the display unit, performs movement display control on the graph of an arbitrary one of the plurality of pointers displayed on the display unit according to an input from the input unit, and does the calculation again, updates the result of calculation, and performs display control of the updated result on the display unit, an storage area, and a work storage area, are provided.
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