Casio fx-9750G Graphing Manuel d'utilisateur

GraphingA collection of versatile graphing tools plus a large 127 × 63-dotdisplay makes it easy to draw a variety of function graphs quicklyand easily

1348 - 3 Graph Function OperationsuuuuuTo store an X = constant expression Example To store the following expression in memory area X4 :X = 33(TYPE)4

135uuuuuTo delete a function1. While the Graph Function Menu is on the display, press f or c to display thecursor and move the highlighting to the are

136cc1(SEL)c1(SEL)6(DRAW) or w(Draws graphs.)• Pressing ! 6 (G↔T) or A returns to the Graph Function Menu.• You can use the set up screen settings to

137• A polar coordinate (r =) or parametric graph will appear coarse if the settingsyou make in the View Window cause the T, θ pitch value to be too l

1388-4 Graph MemoryGraph memory lets you store up to six sets of graph function data and recall it laterwhen you need it.A single save operation saves

139uuuuuTo recall graph functions from graph memory Example To recall the data in graph memory GM15(GMEM)2(RCL)1(GM1)• Recalling data from graph memo

1408-5 Drawing Graphs ManuallyAfter you select the RUN icon in the Main Menu and enter the RUN Mode, you candraw graphs manually. First press ! 4 (Ske

1413. Press w to draw the graph.w• You can draw graphs of the following built-in scientific functions.• sin x • cos x • tan x• sin–1 x • cos–1 x • tan

1423. Input the polar coordinate expression (r =).!4(Sketch)1(Cls)w5(GRPH)2(r =)csdv4. Press w to draw the graph.w• You can draw graphs of the followi

1431. In the set-up screen, specify the appropriate graph type for Func Type.!Zc3(Parm)2. Set the default angle unit to radians (Rad).ccc2(Rad)J3. Inp

1268-1 Before Trying to Draw a Graphkkkkk Entering the Graph ModeOn the Main Menu, select the GRAPH icon and enter the GRAPH Mode. When youdo, the Gra

1443. Press w to draw the graph.wuuuuuTo graph inequalitiesYou can graph inequalities that can be expressed in the following four formats.• y > f (

145uuuuuTo draw an integration graphYou can graph an integration calculation performed using the function y = f(x). Example To graph the following:∫–

1468-6 Other Graphing FunctionsThe functions described in this section tell you how to read the x- and y-coordinatesat a given point, and how to zoom

1471. After drawing the graphs, press 1 (Trace) to make the pointer appear at the farleft of the graph.1(Trace)• The pointer may not be visible on the

148• The following shows how the display of coordinates and the derivative changesaccording to the Graph Type setting.• Rectangular Coordinate Graph •

149kkkkk ScrollYou can scroll a graph along its x- or y-axis. Each time you press f, c, d, ore, the graph scrolls 12 dots in the corresponding directi

150 Example To graph y = Ax2 – 3, substituting 3, 1, and –1 for the value of AUse the following View Window parameters.Xmin = –5 Ymin = –10Xmax = 5 Y

151kkkkk ZoomThe zoom feature lets you enlarge and reduce a graph on the display.uuuuuBefore using zoomImmediately after drawing a graph, press 2 (Zoo

1521. After graphing the function, press 2 (Zoom).2(Zoom)2. Press 1 (BOX), and then use the cursor keys (d, e, f, c) to move thepointer to the locatio

153uuuuuTo use factor zoomWith factor zoom, you can zoom in or zoom out on the display, with the currentpointer location being at the center of the ne

1278-2 View Window (V-Window) SettingsUse the View Window to specify the range of the x-and y-axes, and to set the spac-ing between the increments on

1544. Press J to return to the graphs, and then press 3 (IN) to enlarge them.J3(IN)This enlarged screen makes it clear that the graphs of the two expr

1552. Press 5 (AUTO).5(AUTO)• You can use auto View Window with any type of graph.• You cannot use auto View Window inside a program.• You can use aut

156• You can use SQR with any type of graph.• You cannot use SQR inside a program.• You can use SQR with a graph produced by a multi-statement connect

157• You can use RND with any type of graph.• You cannot use RND inside a program.• You can use RND with a graph produced by a multi-statement connect

158• You can use INTG with any type of graph.• You cannot use INTG inside a program.• You can use INTG with a graph produced by a multi-statement conn

1598-7 Picture MemoryYou can save up to six graphic image in picture memory for later recall. You canoverdraw the graph on the screen with another gra

160• Dual Graph screens or any other type of graph that uses a split screen cannot besaved in picture memory.8 - 7 Picture Memory

1618-8 Graph BackgroundYou can use the set-up screen to specify the memory contents of any picture memoryarea (Pict 1 through Pict 6) as the Backgroun

162 Example 2 With a statistical histogram as the background, graph a normaldistributionRecall the backgound graph.(Histogram)Graph the normal distrib

1282. Input a value for a parameter and press w. The calculator automatically selectsthe next parameter for input.• You can also select a parameter us

129• When View Window values are changed, the graph display is cleared and thenewly set axes only are displayed.• View Window setting may cause irregu

1301234568 - 2 View Window (V-Window) Settingsuuuuu To standardize the View WindowPress !3 (V-Window) 3 (STD) to standardize the View Window to the fo

1311(V·W1)• Recalling View Window settings causes the settings currently on the display to bedeleted.• You can change View Window settings in a progra

1328-3 Graph Function OperationsYou can store up to 20 functions in memory. Functions in memory can be edited,recalled, and graphed. The types of func

133w(Stores expression.)• You will not be able to store the expression in an area that already contains aparametric function. Select another area to s