uCalc Fast Math Parser 2.96 was officially released today. uCalc FMP will allow your Visual Basic application to evaluate math expressions defined at runtime. For instance ucEval("2+5*10") returns 52. If you wanted to quickly plot a 3D surface such as "(sin(x)+cos(z))*z/3" you'd use ucEvaluate() for maximum speed.
If you'd like to see an example of an interesting product that uses uCalc FMP, please download the uCalc Graphing Calculator (2008 beta), which comes with an interactive animated tutorial. See www.ucalc.com/ucalcwin.html