C# 算速表达式

 

        public object ComputeExpression(string expression)

        {

            var result = new DataTable().Compute(expression, null);

            return result;

        }

  MessageBox.Show(ComputeExpression("(1363 + 123)*345 /123").ToString());

http://stackoverflow.com/questions/2859111/c-sharp-math-calculator

来自为知笔记(Wiz)