199904015-3-3Drawing a Graphkkkkk Editing and Deleting Functionsu To edit a function in memoryExample To change the expression in memory area Y1 from y = 2x2 – 5 toy = 2 x2 – 3e (Displays cursor.)eeeeDd(Changes contents.)w(Stores new graph function.)u To change the type of a function *11. While the Graph function list is on the display, press f or c to move the highlightingto the area that contains the function whose type you want to change.2. Press 3(TYPE)g(CONV).3. Select the function type you to change to.Example To change the function in memory area Y1 from y = 2x2 – 3 toy < 2 x2 – 33(TYPE)g(CONV)d(''''' Y<) (Changes the function type to “Y<”.)u To delete a function1. While the Graph function list is on the display, press f or c to move the highlightingto the area that contains the function you want to delete.2. Press 2(DEL) or D.3. Press w(Yes) to delete the function for i(No) to abort the procedure withoutdeleting anything.* 1 The function type can be changed forrectangular coordinate functions andinequalities only.# Parametric functions come in pairs (Xt and Yt).When editing a parametric function, clear the graphfunctions and re-input from the beginning.