/// <summary>

        /// 判断输入的数是否是科学计数法。如果是的话，就会将其换算成整数并且返回，否则就返回false。

        /// </summary>

        /// <param name="num"></param>

        /// <param name="CompleteNum"></param>

        /// <returns></returns>

        private bool ChkNum(string num, ref decimal CompleteNum)

        {

            bool result = false;

            bool resultSymbol = num.Contains("*");

            bool result0 = num.Contains("^");

            if ((resultSymbol == true) && (result0 == true))

            { //当数字中有*和^的时候，进行下面的判断

                int IntSymbol = num.IndexOf("*");

                int Symbol0 = num.IndexOf("^");

                if (((Symbol0 - IntSymbol) == ))

                {//当*在^前面的时候

                    string numA = num.Substring(, IntSymbol);//截取*号前面的数字（基数）；

                    string numB = num.Substring(IntSymbol+, Symbol0 - IntSymbol-);//截取10；

                    string numC = num.Substring(Symbol0+, num.Length - Symbol0-);//获得幂次数

                    Regex regNum0 = new Regex(@"^(\-|\+)?\d+(\.\d+)?$");

                    Regex regNum2 = new Regex(@"^-[1-9]\d*$|^[1-9]\d*$");

                    if ((regNum0.IsMatch(numA)) && (numB == "") && (regNum2.IsMatch(numC)))

                    {

                        decimal dcNumA;

                        decimal.TryParse(numA,out dcNumA);

                        decimal dcNumC;

                        decimal.TryParse(numC, out dcNumC);//将幂次数转换成decimal类型

                        decimal zhengshu = ;

                        if (dcNumC > )

                        {//当幂次数为整数的时候

                            for (int i = ; i < dcNumC - ; i++)

                            {

                                zhengshu *= ;

                            }

                        }

                        else

                        {//当幂次数为负数的时候

                            for (int i = ; i < Math.Abs(dcNumC) + ; i++)

                            {

                                zhengshu /= ;

                            }

                        }

                        CompleteNum = dcNumA * zhengshu;

                        result = true;

                    }

                    else

                    {

                        result = false;

                    }

                }

                else

                {

                    result = false;

                }

            }

            else

            {

                result = false;

            }

            return result;

        }