What is the difference between Gamma-Type Distributions and Weibull Probability Distributions?

wcr98 asked: I am trying to understand these two statistical distributions and what separates them. Any help is appreciated.

How much should I quote for developing a custom Finite Element Analysis (FEA) program in Fortran?

Blue asked: The FE program should handle 1D, 2D and 3D linear thermal and structural problems. The elements should be linear: line, triangular, quadrilateral, tetrahedral and hexahedral. The company requesting the development will own the source code. They are a medium size engineering company.

I have a PhD (May 2009) but extensive experience in FE [...]

I am building a water rocket. How much water should i put in my rocket?

Nin asked: I am using a 16.9 FL OZ Sunkist bottle and I need to know how much water to put in the bottle for optimum performance. If you could help me it would be greatly appreciated.