I have been developing a program for doing different types of mathematical analysis in Visual Basic 5.0 because it is compatible with the old MatrixVB tool (for using MatLab functions in VB), but I am finding it slow. There are a couple of places where I'd like to rewrite the code in C and hope it runs faster. I am fairly new to this sort of thing, so if someone could tell me how best to call a C program from Visual Basic, I would appreciate it.

This is needed because VB takes several minutes to do some operations that, using the same algorithm, take only a few seconds in other environments (e.g. MatLab).

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