I cant input negative numbers into my xmin and ymin. I press the window button type in -5 in the xmin and press enter and it gives me a ERR:SYNTAX message. my xmax is larger so I dont understand why it wont let me input any negative numbers.
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You probably mean window dimensions. If that be the case Press [WINDOW] key. Use cursor to scroll down the lines. Change Xmin, Xmax,Ymin, Ymax, Xscl, Yscl. Make sure that Xmin is less than Xmax, and Ymin is less than Ymax.
You can try to reset the calculator: In so doing the default configuration is restored. If that works for your graphs why fiddle with the setting? Ok to reset calculator (do not worry I will tell you how to change window dimension): Press [2nd][+] to access the (MEM)ory management. Press [7:Reset][2:Defaults] [2:Reset] The window dimension will be restored.
To change dimensions In main calculator screen press the [WINDOW] function key Enter the value of Xmin. If negative use the change sign key (-) under key 3 Enter Xmax value. Make sure that Xmin is less than Xmax. Leave the Xscale at 1 Enter Ymin. If negative use the change (-) key You can leave the Yscale at 1, Xres at 1. You can change the DeltaX but if you take too small a value your graphs will take long to be drawn.
If you ever get a problem, just press the [ZOOM] function key and select [6:ZStandard] it will restore the default dimensions.
Press ZOOM and select Zoom standard (ZoomStd). Alternatively, press the WINDOW key to access the window range setup Set Xmin=-10 Xmax=10 Ymin=-10 Ymax=10 These are the standard dimensions of the window. You can change the dimensions as long as Xmin is less then Xmax, and Ymin is less than Ymax. Do not make Xres close to Xmax-Xmin.
If by reset you mean revert to the default settings, press [Zoom][6:ZStandard]
If on the other hand, you want to play with the window dimensions press [WINDOW] and change the values of Xmin, Xmax,Ymin,Ymax. Make sure that Xmin Less than Xmax, Ymin less than Ymax. If domain is positive set Xmin=0., If range is positive set Ymin =0.
Hope it helps.
Hello, I take your word for it. If graph is out of range you should zoom out. But first try [ZOOM][6:Ztandard]. If you still see nothing, press [WNIDOW] and set XMIN=-100, XMAX=100, YMIN=-100, YMAX=100. Otherwise you must know a few things about the behavior of the function you try to hraph 1. If X is always positif, set XMIN=0 2.If X is always negative, set XMAX=0 3. If Y has only positive values, set YMIN=0 4. If Y has only negative values, set YMAX=0
You can also calculate Y for X=0. Let Y(0) be that value. Then you try to have the Y-Values centerd around it: YMIN=Y(0)-10 and YMAX=Y(0)+10.
Hello, Xmin must be less than Xmax; Ymin must be less than Ymax. If your X variable takes only positive values you can set Xmin=0; if you want to graph y=X^2, you know that all y-values are going to be positive, so there is no need to waste screen real estate by putting Ymin negative. It is like taking a picture with a camera. You point the viwefinder where the action is. My suggestion is to set the default values Xmin=-10, Xmax=10, Ymin=-10, Ymax=10. Then look at the graph and locate the part that interests you more and focus on it by zooming in. Your knowledge of the general behavior of the function will help you determine what is worth looking at. Hope it helps.
Set the values of Xmin, Xmax, Ymin, Ymax.
If the x values that the function takes are all positive, you may set Xmin =0. If the values of the function are all positive, you can set Ymin=0.
If you are drawing a sine or a cosine function, you know that the function values are between -1 and +1, so you cant restict Ymin an Ymax to say -1.2 and 1.2. Similarly if you draw trigonometric function no need to have a range of X values between -10 and 10: the function being periodic you can restrict values (in radians to -pi to +pi, ) or to -90 to +90 degrees.
You set the limits of the window by making use of your knowledge of the functions you are drawing.
More than likely, you've put in a number in the xmin or xmax that is not correct. Example....you put in an xmin of 10 and an xmax of -10 which would be backwards. This could also happen in the ymin or y max.
The easiest way to fix this is to press zoom 6 which wil get you back to the default graph of xmin of -10, xmax of 10 and ymin of -10 and y max of 10.
If you can't see your graph on this screen and need to change the window, just be sure the number in the min for both x & y is smaller than the number in the max. You change your window size by pressing the window button.