Wonderful .gov resource site
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Scientific Calculator
eCalc: free trial; $14.00 full version
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Free online interactive periodic table
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prezi.com: free web-based presentations
need to make 'free' or 'student' login
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FULL free MS-Office clone
Like Office; this is the free version!
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Adode Photoshop 'clone': GIMP
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Picasa 3.0 from Google
Basic photo editing and web posting
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