Casio CFX-9800G-w Owners Manual - Page 106
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Notes •A point is not plotted if a set of data is outside the range parameter values you specify. •The following key operation causes an error (Ma ERROR) if no paired-variable statisti- cal data is present in memory. EMIERLIN)E) •For range parameter settings, Xmin must be less than Xmax. 8-10 Storing Functions in Memory You can store up to 30 functions and expressions in memory for later recall, editing, or graphing. Rectangular coordinate, polar coordinate, and parametric functions, as well as inequalities can all be stored in memory. Note that the total amount of memory used for storage of functions cannot exceed 127 bytes. •Accessing the Graph Function Memory Highlight the GRAPH icon on the Main Menu and then press J. GRAPH FUNCTION G-type :REC/CON G-func :ON Dual-G :OFF Si mu1-G: OFF Plt/Lin:BLUE Angle :Deg SET g(SET) Set up display (page 21) Pressing g while the above display is shown causes the following function menu to appear. EJIE GRAPH FUNC:RECT Memory locations Use Q. and ® to select an area. Y3: Y4: Y5: EFFIDEBIEPITEDIW: EEEEEE The following are the types of operations that can be selected from the function menu at the bottom of the display. Press the function key below the operation you want to perform. E(EDIT) Graph function write/edit display E(DEL) Deletes graph function El(TYP) Graph type menu -176- Fu (COLR) g(sEL) (El(DRW) Graph color menu Selects whether or not a graph should be drawn Draws a graph for a stored function •Graph Function Types Before storing a function into memory; be sure to first use the following procedureto its type (rectangular coordinate, polar coordinate, parametric; inequality). specify • To specify a function type Es (TYP) lliCEZ N.MF INQ E F2 E FO The following are the function types that can be selected from the function menu at the bottom of the display. E (REG) Press the function key below Rectangular coordinate the type you want to specify. a(POL) Polar coordinate El(PRM) Fa (INO) Parametric functions Inequality • To store a rectangular coordinate function Example To store the following rectangular coordinate graph function in memory location Y2: y=2x2 - 5. First specify the function type as rectangular coordinate. ERTYP)E(REC) Use C) and ® to select the area where you want to store the function. O (GRAPH FUNC:RECT Yl: T2: Input the function. WIDIECIE1 Store the function into memory. -177- Y2=2X 0-5_ TO STORE : CEXE] GRAPH FUNC:RECT Yl: Marla