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I am using Macbook Air, OS X 10.9.2. I want to create vector illustration of mathematical and organic formulas, so I can use those vector illustrations for T-shirts.

Examples:

enter image description here enter image description here

How can I do that on Macbook Air? I am now studying Lynda.com-Illustrator CS6 One-on-One Fundamentals, but that does not help so much.

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For the formulas you can use Latexit which can generate the formula in eps format. The eps can be pasted and scaled in Illustrator. The chemical structural formula can be made as Scott explains. –  Bart Arondson Mar 31 at 11:55
    
@BartArondson As usual, SE Community attracts the world's most talented pros to answer a novice's question in details. Thank you. –  Ave Maleficum Mar 31 at 12:52
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3 Answers 3

For the mathematical formulas, I would definitely use LaTeX, since it gives you high quality typesetting for math stuff. You don't have to install LaTeX yourself if you don't want to, because there are online LaTeX renderers which let you export the result to e.g. pdf.

Therefore, if you go to this site and enter the correct code for your formula

$$\lim_{n\to\infty}\int_0^1\int_0^1\dots\int_0^1\
    cos^2\left(\frac{\pi}{2n}(x_1+x_2+\ldots x_n)\right) dx_1 dx_2\ldots dx_n$$ 

you can download it as pdf which can be directly used in Illustrator.

The chemical formulas are a bit harder, because I haven't found any online editors which give you vector graphics, but I'm sure that there are free programs you can install which do that. Before you go this way, you should carefully check whether the structural formula you want isn't something which can be found in Wikipedia or in another database. There, you might find a svn/eps/pdf file of the structure.

enter image description here

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+1 for using LaTeX. There are packages for drawing chemical formulae in LaTeX as well, such as mhchem. –  alexwlchan Mar 31 at 17:55
    
@alexwlchan I wasn't sure about the experience of the OP with LaTeX. I used OChem once and I guess when you haven't used LaTeX much, trying to typeset chemical structures will end in suicide (same is true for MusicTeX btw). –  halirutan Mar 31 at 18:05
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Use the Type tool to set the formulas. You might want to explore the Glyph Panel to find some of the operators. Simply click with the type tool and start typing.

You can then use the Line Tool to draw the lines.

When you have everything in the document, you can then use the Move Tool (the black arrow) to move things into whatever position you desire.

The fact that you have a Mackbook Air is largely irrelevant. Illustrator is Illustrator regardless of platform. The steps you need to accomplish this image are very basic operations with the type, line, and Move tools. If you have a Lynda.com subscription you simply need to review the core basics of those three tools to accomplish your image. THere's nothing fancy or tricky about it.

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Thanks for your comment, you're right, I should continue with Lynda.com. And thanks for telling me Illustrator is Illustrator regardless of platform. –  Ave Maleficum Mar 31 at 12:53
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You can write your formulae in Illustrator? Then you can go Type -> outline. That will make your text vector, and you can scale as much as you want.


Edit: To write formulae in an efficient way in Illustrator, you need a plugin, or you can combine Illustrator and LaTex. To compose them of the separate elements are not really very efficient. I have not done this myself, but a quick search brings up a few option (I would have included them here, but my net is snailpace :S)

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Sir, the question is I don't know how to write formulas in Illustrator. –  Ave Maleficum Mar 31 at 10:03
    
Google "type tutorial illustrator" –  Ilan Mar 31 at 10:53
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