Tips

• To accelerate NIntegrate, set Method->{Automatic,"SymbolicProcessing" -> 0} see this

Documentation

• MeijerG formulae
• Implementation details about Reduce/Solve

Interesting

• See function implementation

• Convert a fraction to a repeating decimal notation.

• What should MMA StackExchange site design look like? (April 2012)

• Can Mathematica perform logical reasoning?

• How to "Copy as Unicode" from a Notebook?

• Web application to convert the code as Unicode

• How to copy code from Mathematica so it looks good on this site

• Concat Matrices in Mathematica

• FoxHToMeijerG user-defined function

• ResourceFunction about MeijerG

Recommendations

• The Mathematica Journal publishes articles on all aspects of Mathematica.

• Wolfram Library Archive (Curated, old)

• Wolfram Language Paclet Repository. Community-contributed installable additions to the Wolfram Language

• Mathics. A free, open-source alternatives to Mathematica®

• MATLink. A Mathematica™ application to communicate with MATLAB™

Well-recommended Mathematica packages or guides

• Needs["GraphUtilities`"] see documentation
• Needs["Combinatorica`*"] see documentation
• Needs["IGraphM`"]; Mathematica interface of igraph. See documentation
• Finite Element Method guide
• Advanced Numerical Differential Equation Solving in Mathematica tutorial (VERY Comprehensive)
• Used Rubi for the indefinite integration part, since it gives simpler anti-derivatives, (no complex numbers show up).