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Old 09-10-07, 01:22 PM   #1
Jynx
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Need a good graphing program...

Hey guys I need a good graphing program. This semester my professors want everything graphed on a computer. I did a google search and couldn't find any that were actually good. Right now I just want something free as I have assignments due tomorow. I dont even need anything crazy. Just being able to set and label the axes while plotting a couple of points or writing in the equation. I tried excel and its horrible.
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Old 09-10-07, 01:36 PM   #2
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You don't know how to use Google?

http://www.google.com/search?hl=en&r...re&btnG=Search
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Old 09-10-07, 01:37 PM   #3
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Doesn't your school have a site license for this kind of software?

I was just about to recommend Excel until I got to your last sentence. I'm definitely no MS shill, but I use Excel for most off my graphs, and some of them are pretty complicated. Anyway, try out the trial version of SigmaPlot- it's not crippled until 30 days.
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Old 09-10-07, 01:46 PM   #4
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What kind of graphing are we talking? Data or mathematical equations? If data, Excel or any other spreadsheet program is as good as anything. If you are talking mathematical equations, then it is MathCad.
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Old 09-10-07, 01:48 PM   #5
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OpenOffice Calc?

I've not used it, but heard it can do what you may be needing.

You can download Sun's version of OpenOffice by hitting pack.google.com, and pulling it from there.
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Old 09-10-07, 01:56 PM   #6
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Originally Posted by Jynx View Post
Hey guys I need a good graphing program. This semester my professors want everything graphed on a computer. I did a google search and couldn't find any that were actually good. Right now I just want something free as I have assignments due tomorow. I dont even need anything crazy. Just being able to set and label the axes while plotting a couple of points or writing in the equation. I tried excel and its horrible.
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Doesn't your school have a site license for this kind of software?

I was just about to recommend Excel until I got to your last sentence. I'm definitely no MS shill, but I use Excel for most off my graphs, and some of them are pretty complicated. Anyway, try out the trial version of SigmaPlot- it's not crippled until 30 days.
Yes. I am not at school right now but obviously I can go in early and do it which I might I was just considering something while I am at home.

Maybe I am doing something wrong in excel. How do you create a graph? Insert - chart - ect...? is there a better way?

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What kind of graphing are we talking? Data or mathematical equations? If data, Excel or any other spreadsheet program is as good as anything. If you are talking mathematical equations, then it is MathCad.
For now all I have to do is graph pressure density and temperature with standard, isothermal, and inverted atmospheric conditions from 0 to 10,000 meters. (three seperate graphs). For example for temp I have data points at sea level and 10,000 meters for temp and I know that for temperature the change is linear with +- .0065 degrees kelvin per meter. I think the problem is there needs to be 3 seperate equations with three seperate domains.

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OpenOffice Calc?

I've not used it, but heard it can do what you may be needing.

You can download Sun's version of OpenOffice by hitting pack.google.com, and pulling it from there.

Thanks Ill give it a shot.

Last edited by Jynx; 09-10-07 at 02:08 PM.
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Old 09-10-07, 02:01 PM   #7
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OpenOffice Calc?

I've not used it, but heard it can do what you may be needing.

You can download Sun's version of OpenOffice by hitting pack.google.com, and pulling it from there.
Of course, if you hate Excel, you'll probably end up hating OpenOffice Calc, being as they're practically the same program. Unless your hangup is on Microsoft, in which case you need some therapy.
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Old 09-10-07, 02:05 PM   #8
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I swear I read your post and did not see that. I apologize for my condescending reply.
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Old 09-10-07, 02:14 PM   #9
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Of course, if you hate Excel, you'll probably end up hating OpenOffice Calc, being as they're practically the same program. Unless your hangup is on Microsoft, in which case you need some therapy.
Its most likely I dont know how to use excel properly.

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I swear I read your post and did not see that. I apologize for my condescending reply.
Dont worry about it
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Old 09-10-07, 02:28 PM   #10
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mathematica can graph anything. Course, you need to learn its non-intuative command structure first, and it's a heavy on the ping-ping.
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Old 09-10-07, 04:09 PM   #11
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If you want free just get OpenOffice.

http://www.openoffice.org/
Calc Documentation. Generate the Chart First.
http://documentation.openoffice.org/...sAndGraphs.pdf
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Old 09-10-07, 04:11 PM   #12
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Quote:
Originally Posted by Indy_Rider View Post
What kind of graphing are we talking? Data or mathematical equations? If data, Excel or any other spreadsheet program is as good as anything. If you are talking mathematical equations, then it is MathCad.
Yup, MathCAD is the way to go ... if you have access to a license.
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Old 09-10-07, 05:05 PM   #13
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Its most likely I dont know how to use excel properly.
+1
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