C# Math calculator

Question

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Is there a string math evaluator in .NET?
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c# evaluating string “3*(4+2)” yield int 18

Is there a way to calculate math expressions like (2-3/4*12) in a different way than presented here?

http://www.c-sharpcorner.com/uploadfile/mgold/codedomcalculator08082005003253am/codedomcalculator.aspx

Answer 1

DataTable has a Compute method that allows you to write this:

var result = new DataTable().Compute("2-3/4*12", null);

Note that this is limited to simple math expressions.

Other option consist in using a dynamic language in the DLR such as IronPython and IronRuby. Check-out this post:

var engine = new IronPython.Hosting.PythonEngine();
double result = pythonEngine.EvaluateAs<double>("2-3/4*12");

You may also check the NCalc library on GitHub.