Casio CFX-9800G-w Owners Manual - Page 108
GRAPH, FUNC:INEQ, Y2E2X2-5, r3M5sin, Xt4D3sin, Yt4M3cos, FUNC:RECT, GPaph, Range, sc1:1, Ymin:-5,
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Store the function into memory. IXE GRAPH FUNC:INEQ Y2E2X2-5 r3M5sin 3$ Xt4D3sin T Yt4M3cos T INEditing Graph Functions in Memory Use the following procedures to modify and delete functions that are stored in memory. • To modify a function in memory Example To change the function in memory location Y2 (y = 2x2 - 5) to y= 2x2 - 3: Select the area that contains the function you want to edit. O GRAPH , FUNC:RECT Y1: Recall the function for editing E(EDIT) Make the changes. Store the new function into memory. gifiTERIPEDEDINEKTRri IY2=2X 2 -5_ TO STORETEEXE] IY2=2X 2-3_ TO STORE:CEXE] GRAPH FUNC:RECT Y1. • To delete afunction from memory Example To delete the function in memory location Y2: Display the list of functions in memory. Use C) and C) to select the area that contains the function you want to delete. -180- Press F] (DEL). E(DEL) IYESDELETE FORMULA Hal n(YES) Press to delete the function, or E(NO) to abort the operation without deleting anything. •Drawing Graphs from Memory Be sure that you make the following two specifications before trying to draw graphs from memory. •Specify the color of the graph as blue, orange, or green. •Specify the funCtions whose graphs you want to draw. • To specify the color of a graph The default color for graph drawing blue, but you can use the following procedure to change the color to orange or green if you want. Select the area that contains the function of the graph whose color you want to change. Display the Graph Color Menu. E(COLR) E(BLU) E(ORN) Fa (GRN) Blue Orange ' Green r3r:UlaWirGVI E E E Press the function key that corresponds to the color you want to specify. •Specifying the Graphs to be Drawn You can specify drawing of the graphs for all functions stored in memory (overlaid on the display), or drawing of the graphs for specific functions. • To draw the graphs of a specific function Example 1 To draw a graph of the function in memory location Y2 (y= 2x2 - 3): Use the follovving range parameters. GPaph Range • -181- sc1:1 Ymin:-5 max:5 sc1:1