Question about Texas Instruments TI-84 Plus Calculator

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How to graph y=-35cos2(pi)/53 +37 in ti 83 calculator ?how to set zoom and how to set windows for getting a visible curve?

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Your expression does not contain an independent variable, so all you will get is a horizontal line passing through the point (0, 2.2456616) corresponding to the value 37-35cos(2pi/53).
As to the window setting, you can always use ZoomStd (Zoom standard).

But first you must put some independent variable in the definition of the function.

Posted on Nov 16, 2010


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Graphing cos 2x? i have a TI-86 but i think my problem is something that can be done on any TI calculator, i need to know how to graph cos 2x, all i get is a straight line

Your angle unit is set to degrees. If you do not change the Xmin and Xmax window dimensions to say -180 to -90 for Xmin, and 90 to 180 for Xmax you will not see much of the features of the graph; In the default interval Xmin, Xmax the curve is a staright line.

Sep 17, 2011 | Texas Instruments TI-83 Plus Calculator

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My TI-83 Plus calculator won't graph anything whatsoever. Did I need new software. Please help me.

First - Are you graphing within the proper window? Hit the zoom button and change it to zoom Standard within the graphing window.

Second - Are you inputting the equation correctly? Make sure you are inputting your equations in a y= format. If possible, please reply with a screenshot of your graph screen.

Feb 07, 2011 | Texas Instruments TI-83 Plus Calculator

1 Answer

ERR: Window Range

Press ZOOM and select Zoom standard (ZoomStd).
Alternatively, press the WINDOW key to access the window range setup
Set Xmin=-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.

Jan 10, 2010 | Texas Instruments TI-83 Plus Calculator

3 Answers

How to set the window?

Press [Window]
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.

Hope it helps.

Sep 19, 2009 | Texas Instruments TI-83 Plus Calculator

1 Answer

When i try to graph it says error and wont let me graph

Reset calculator to defaults
[2nd][MEM][7][2][2] Defaults set.

[Y=] on line Y1= enter your function then press [GRAPH]
You can draw several graphs on the same screen.
If nothing shows (except the axes) use [ZOOM] to Zoom in or zoom out or use [WINDOW] to change the values of Xmin, Xmax, Ymin, Ymax.

Hope it helps.

Hope it helps

Sep 09, 2009 | Texas Instruments TI-83 Plus Calculator

2 Answers

Graph feature not working on my TI-83 Plus


Hit this sequence:

"ZOOM" "0"

That is for the "Zoom Fit" option. The calculator does not like the window you have for the equation you've given it. With this option, it will automatically give you the best fit in the window for the equation!

Nov 14, 2008 | Texas Instruments TI-83 Plus Calculator

2 Answers

TI 83 Plus

Try hitting "ZOOM" then "0". This is for the "Zoom Fit" option. It will automatically adjust your window range to best fit your equation!

Sep 27, 2008 | Texas Instruments TI-83 Plus Calculator

1 Answer

TI-83 Plus...Problem:

try seting the zoom to standard then zooming out untill you find it im not sure if that will fix it but it may be of some help

Jan 19, 2008 | Texas Instruments TI-83 Plus Calculator

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