A graphic display control apparatus comprising: a display device; a pointing device (7, 30) for specifying a position on the display device by a user operation; characterized in that the display device comprising a figure screen for displaying a graphic figure and a formula screen for displaying a function formula; and by graphic figure specifying means (702, R24,) for specifying one of the plurality of graphic figures displayed on the figure screen as an object to be copied by the user operation of the pointing device; paste destination specifying means (702c, S10, S12, S14) for specifying a paste destination for the graphic figure specified by the graphic figure specifying means through the user operation of the pointing device; registered function formula display control means (702, R24, R312, R314) for registering, when the formula screen is specified by the paste destination specifying means, a function formula corresponding to the graphic figure specified by the graphic figure specifying means, as a function formula with link registration or a function formula without link registration, and for controlling display of the registered function formula at the paste destination specified by the paste destination specifying means on the formula screen; figure change operation means (702, P24, P26, P28) for operating to modify the graphic figure displayed on the figure screen by an operation of a position specifying means; and change display control means (702, P30, P32) for, when a function formula corresponding to the graphic figure operated by the figure change operation means is the registered function formula with link registration, calculating a function formula corresponding to the modified graphic figure, modifying the function formula with link registration to the calculated function formula and displaying the modified function formula, and for not modifying the function formula when the function formula corresponding to the operated graphic figure is the registered function formula without link registration, a display device; a pointing device (7, 30) for specifying a position on the display device by a user operation; characterized in that the display device comprising a figure screen for displaying a graphic figure and a formula screen for displaying a function formula; and by graphic figure specifying means (702, R24,) for specifying one of the plurality of graphic figures displayed on the figure screen as an object to be copied by the user operation of the pointing device; paste destination specifying means (702c, S10, S12, S14) for specifying a paste destination for the graphic figure specified by the graphic figure specifying means through the user operation of the pointing device; registered function formula display control means (702, R24, R312, R314) for registering, when the formula screen is specified by the paste destination specifying means, a function formula corresponding to the graphic figure specified by the graphic figure specifying means, as a function formula with link registration or a function formula without link registration, and for controlling display of the registered function formula at the paste destination specified by the paste destination specifying means on the formula screen; figure change operation means (702, P24, P26, P28) for operating to modify the graphic figure displayed on the figure screen by an operation of a position specifying means; and change display control means (702, P30, P32) for, when a function formula corresponding to the graphic figure operated by the figure change operation means is the registered function formula with link registration, calculating a function formula corresponding to the modified graphic figure, modifying the function formula with link registration to the calculated function formula and displaying the modified function formula, and for not modifying the function formula when the function formula corresponding to the operated graphic figure is the registered function formula without link registration,