Science

Stata
StataCorp LLC(Paid)
Download
Stata: Analyze, organize and create graphs
Scilab
Scilab Enterprises(Free)
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Scilab For Windows - A Solutions For Advanced Data Structures
InnerSoft CAD for AutoCAD 2013
innersoft(Trial version)
Download
Useful AutoCAD plugin
Crocclip
Crocclip(Free)
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Crocclip: Educational Electrical Circuit Design Software
Origin
OriginLab(Trial version)
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Computational Graph Analysis With Origin Lab
Microsoft Math
Microsoft(Trial version)
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Tackle math and science problems quickly and easily
OrCAD PSpice Designer
cadencepcb(Trial version)
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Real Time Communication Using the OrCAD PSpice Designer
HiView
HiRISE(Free)
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A free program for Windows, by HiRISE.
Chemistry Add-in
developer(Free)
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Import Calculation Profiles Using Chemistry Add-In
Math Calculator
Graphnow(Trial version)
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Useful Math Calculators