科学计算器代码

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1、usingSystem;usingSystem・Collections・Generic;usingSystem・ComponentModel;usingSystem・Data;usingSystem.Drawing;usingSystem・Linq;usingSystem.Text;usingSystem.Th厂ending.Tasks;usingSystem・Windows.Forms;namespace科学计算器{publicpartialclassFormI:FormprotecteddoubleiNuml,

2、into;protectedcharcOperator;protectedboolbNumBegins;protectedboolbDot;protecteddoubleiMem;publicForm1()InitializeComponent();InitMembers();privatevoidInitMembers()iNuml=0.0;cOperator=bNumBegins=true;bDot=false;privatevoidNumbers_Click(doublei){if(txtOutput.Tex

3、t==”Error”)txtOutput.Tcxt=H0M;tryif(bNumBegins){txtOutput.Text=i.ToStringO;bNumBegins=false;elsetxtOutput.Text+=i.ToStrin莒();doubleiCurrent=double.Parse(lxlOutput.Text);catchIxtOulput.Text=HError";InitMembersO;return;)privatevoidOperators_Click(charop)doubleiC

4、urrent;try{iCurrent=double.Parse(txtOutput.Text);}catch{txtOutput.Text="Error";InitMembersO;return;}doubleiResult:try{switch(cOperator){case^1:checked{iResult=iNuml+iCurrenl;)break;case-*:checked{iResult=iNuml・iCurrent;

5、break;case**1:checked{iResult=iNuml*iCur

6、rent;)break;case/:checked{iResult=iNum1*iCurrent;)break;default:iResult=iCurrent;break;)1catch{txtOutput.Text=nErrorH;InitMembers();return;)txtOutput.Text=iResult.ToStringO；iNuml=iResult;bNumBegins=true;bDot=false;cOperator=op;}privatevoidDot_Click(objectsende

7、r,BventArgse){、if(bDot){txtOutput.Text=HErrorH;InitMembers();return;elseif(bNumBegins)txtOutput.Text=H0H;bNumBegins=false;bDot=true;1elsetxtOutput.Text+=T;bDot=true;e)}privatevoidbtnCancel_Click(objectsender,System.EventArgs{_txtOutput.Text="()”；InitMembersO;r

8、eturn;}publicstringdot(intd){stringb=〃判断该数如果小于2,则直接输出if(d<2){b=d.ToStringO;)else{intc;ints=0;intn=d;while(n>=2){S++；n=n/2;)int[]m=newint[s];inti=0;doc=d/2;m[i++]=d%2;d=c;)while(c>=2);b=d.ToStringO;for(intj=m.Length-1;j>=0;j—){b+=m[j].ToString();))returnb;)publ

9、icstringdox(intd){stringx=;讦(d<8){x=d.ToString();}elseintc;ints=0;intn=d;while(n>=8)s++;n=n/8;)int[]m=newint[s];inti=0;do{c=d/8;m[i++]=d%8;d=c;)while(c>=8);x=d.ToStringO;for(intj=m