C++语言编写的Calculator计算器源程序 -

#include<cstdlib>
#include<iostream>
#include<iomanip>
#include<cmath>
#include<windows.h>
using namespace std;
#define size 100
int a[size+1],n,d,i=0,j;
//mima267398323513
main(){
int sf;
long long mima;
cout<<"======================================================="<<endl;
cout<<"| Calculator 2019 |"<<endl;
cout<<"| Version 3.98 |"<<endl;
cout<<"| |"<<endl;
cout<<"| |"<<endl;
cout<<"| Adminstrator |"<<endl;
cout<<"| Welcome to Calculator_64 Professional |"<<endl;
cout<<"| Update 1907 Professional |"<<endl;
cout<<"| Designed by Howard Lu |"<<endl;
cout<<"| |"<<endl;
cout<<"| |"<<endl;
cout<<"| C-2019-2021 |"<<endl;
cout<<"======================================================="<<endl;
cout<<"Adminstrator，请输入密码"<<endl;
cout<<"密码：";
cin>>mima;
if(mima==267398323513){
system("cls");
cout<<"Initialization";
for(int i=1;i<=3;i++){
Sleep(1000);
cout<<".";
}
Sleep(1000);
system("cls");
cout<<"Initialization";
for(int i=1;i<=3;i++){
Sleep(1000);
cout<<".";
}
Sleep(1000);
system("cls");
cout<<"C";Sleep(100);
cout<<"a";Sleep(100);
cout<<"l";Sleep(100);
cout<<"c";Sleep(100);
cout<<"u";Sleep(100);
cout<<"l";Sleep(100);
cout<<"a";Sleep(100);
cout<<"t";Sleep(100);
cout<<"o";Sleep(100);
cout<<"r";Sleep(100);
cout<<"_";Sleep(100);
cout<<"6";Sleep(100);
cout<<"4";Sleep(100);
cout<<" ";Sleep(100);
cout<<"2";Sleep(100);
cout<<"0";Sleep(100);
//cout<<"0";Sleep(100);
//cout<<".";Sleep(100);
cout<<"1";Sleep(100);
//cout<<".";Sleep(100);
cout<<"9";Sleep(100);
cout<<" ";Sleep(100);
cout<<"P";Sleep(100);
cout<<"R";Sleep(100);
cout<<"O";Sleep(100);
cout<<endl;
do{
cout<<"================================================================="<<endl;
cout<<"| |"<<endl;
cout<<"| 微型电子计算器 |"<<endl;
cout<<"| |"<<endl;
cout<<"| |"<<endl;
cout<<"| 请选择： |"<<endl;
cout<<"| 1. 如果想计算加减乘除，请输入1 |"<<endl;
cout<<"| 2. 如果想计算开方，请输入2 |"<<endl;
cout<<"| 3. 如果想转换进制数，请输入3 |"<<endl;
cout<<"| 4. 如果想要算次方，请输入4 |"<<endl;
cout<<"| 5. 如果想要算阶乘，请输入5 |"<<endl;
cout<<"| 6. 如果想显示π，请输入6 |"<<endl;
cout<<"| 7. 如果想做加法统计，请输入7 |"<<endl;
cout<<"| 8. 想知道这一天是星期几，请输入8 |"<<endl;
cout<<"| 9. 想知道从1年1月1日到某年某月月底有几天，请输入9 |"<<endl;
cout<<"| 10.想计算斐波那契数列，请输入10 |"<<endl;
cout<<"| 11.关闭程序，请按11 |"<<endl;
cout<<"| 12.像显示关于Calculator 请输入12 |"<<endl;
cout<<"| 若想进行如1×2+3×4-5+6之类的多项表达式运算，请打开栈计算器 |"<<endl;
cout<<"| 若想进行24点计算，请打开24点计算器 |"<<endl;
cout<<"| |"<<endl;
cout<<"| |"<<endl;
cout<<"================================================================="<<endl;
int ds,x,y;
cin>>ds;
if(ds==1){
char x;
double a,b;int c,d;
cout<<"请输入+,-,*,/,%(求余,两数不可为小数)中的一个运算符号：";cin>>x;
cout<<"请输入A数：";cin>>a;
cout<<"请输入B数：";cin>>b;
if(x=='/'){
cout<<"请问，你想保留几位小数？：";cin>>c;
}
switch(x){
case '+':cout<<a+b<<endl;break;
case '-':cout<<a-b<<endl;break;
case '*':cout<<a*b<<endl;break;
case '/':if(b!=0) cout<<fixed<<setprecision(c)<<(double)a/b<<endl;else cout<<"Divided by zero!"<<endl;break;
case '%':c=a;d=b;
cout<<c%d<<endl;break;
default:cout<<"Invalid operator!"<<endl;
}
system("pause");
}
if(ds==2){
cout<<"请输入一个你想开方的数:";cin>>x;
cout<<"请输入你想保留几位小数:";cin>>y;
cout<<fixed<<setprecision(y)<<sqrt(x)<<endl;
system("pause");
}
if(ds==3){
//cout<<"Please Enter a number(N) base 10:";cin>>n;
cout<<"输入一个十进制数：";cin>>n;
//cout<<"Please Enter a number(d):";cin>>d;
cout<<"输入你想把这个数转化成的进制数(几进制)：";cin>>d;
do{
a[++i]=n%d;
n=n/d;
}while(n!=0);
for(j=i;j>=1;j--)cout<<a[j];
cout<<endl;
system("pause");
}
if(ds==4){
float a,b,c;
cout<<"请输入底数：";cin>>a;
cout<<"请输入指数：";cin>>b;
cout<<"请问你想保留几位小数：";cin>>c;
cout<<fixed<<setprecision(c)<<(double)pow(a,b)<<endl;
system("pause");
}
if(ds==5){
int t,s;
s=0;
int a,b,c;
cout<<"请输入你想算的阶乘的数1:";cin>>a;
cout<<"请输入你想算的阶乘的数2:";cin>>b;
cout<<"我们将帮你累加从数1的阶乘到数2的阶乘"<<endl;
Sleep(1000);
for(int i=a;i<=b;++i)
{
t=1;
for (int j=1;j<=i;++j) //求i!
t*=j;
s+=t; //累加i!
}
cout<<s<<endl;;
system("pause");
}
if(ds==6){
cout<<"π=3.1415926535897932384626433872395"<<endl;
system("pause");
}
if(ds==7){
int a,b,sum=0;
cout<<"请输入你要统计数的个数：";
cin>>a;
for(int i=1;i<=a;i++){
cin>>b;
sum=sum+b;
}
cout<<"Sum="<<sum<<endl;
system("pause");
}
if(ds==8){
int day,year,month,day2,date,allday;
cout<<"请输入年月日例 2018 12 31:";
cin>>year>>month>>date;
day=year/4-year/100+year/400;
if (year%400==0) day2=29+31+30+31+30+31+31+30+31+30+31;
else if (year%100==0) day2=28+31+30+31+30+31+31+30+31+30+31;
else if (year%4==0) day2=29+31+30+31+30+31+31+30+31+30+31;
else day2=28+31+30+31+30+31+31+30+31+30+31;
switch(month){
case 1:day2=day2+31;break;
case 2:day2=30+31+30+31+30+31+31+30+31+30+31;break;
case 3:day2=31+30+31+30+31+31+30+31+30+31;break;
case 4:day2=30+31+30+31+31+30+31+30+31;break;
case 5:day2=31+30+31+31+30+31+30+31;break;
case 6:day2=30+31+31+30+31+30+31;break;
case 7:day2=31+31+30+31+30+31;break;
case 8:day2=31+30+31+30+31;break;
case 9:day2=30+31+30+31;break;
case 10:day2=31+30+31;break;
case 11:day2=30+31;break;
case 12:day2=31;break;
}
allday=366*day+365*(year-day)-day2+date;
if(allday%7==1) cout<<"星期一"<<endl;
if(allday%7==2) cout<<"星期二"<<endl;
if(allday%7==3) cout<<"星期三"<<endl;
if(allday%7==4) cout<<"星期四"<<endl;
if(allday%7==5) cout<<"星期五"<<endl;
if(allday%7==6) cout<<"星期六"<<endl;
if(allday%7==0) cout<<"星期日"<<endl;
system("pause");
}
if(ds==9){
int day,year,month,day2;
cout<<"请输入年月，例：2018 12:";
cin>>year>>month;
day=year/4-year/100+year/400;
if (year%400==0) day2=29+31+30+31+30+31+31+30+31+30+31;
else if (year%100==0) day2=28+31+30+31+30+31+31+30+31+30+31;
else if (year%4==0) day2=29+31+30+31+30+31+31+30+31+30+31;
else day2=28+31+30+31+30+31+31+30+31+30+31;
switch(month){
case 1:day2=day2;break;
case 2:day2=31+30+31+30+31+31+30+31+30+31;break;
case 3:day2=30+31+30+31+31+30+31+30+31;break;
case 4:day2=31+30+31+31+30+31+30+31;break;
case 5:day2=30+31+31+30+31+30+31;break;
case 6:day2=31+31+30+31+30+31;break;
case 7:day2=31+30+31+30+31;break;
case 8:day2=30+31+30+31;break;
case 9:day2=31+30+31;break;
case 10:day2=30+31;break;
case 11:day2=31;break;
case 12:day2=0;break;
}
cout<<366*day+365*(year-day)-day2<<endl;
system("pause");
}
if(ds==10){
cout<<"先输入一个数（第几项）：";int n,n2;cin>>n;
cout<<"是想输出从第一项到第"<<n<<"项的所有数，选1"<<endl;
cout<<"是想输出从第一项到第"<<n<<"项的所有数的和，选2"<<endl;
cin>>n2;
if(n2==1){
int a,b,tmp,i;
a = 0;
b = 1;
for(i=0;i<n;i++)
{
printf("%d\n",b);
tmp = b;
b = a + b;
a = tmp;
}
system("pause");
}
if(n2==2){
int a,b,tmp,i,sum=0;
a = 0;
b = 1;
for(i=0;i<n;i++)
{
tmp = b;
sum=sum+tmp;
cout<<sum<<endl;
b = a + b;
a = tmp;
}
cout<<"Sum="<<sum<<endl;
system("pause");
}
}
if(ds==11) return 0;
if(ds==12) {
system("cls");
cout<<"下面是您的账户信息："<<endl;
cout<<"Adminstrator"<<endl;
cout<<"管理员"<<endl;
cout<<"创建时间：2019/7/29"<<endl;
cout<<"激活状态：已激活"<<endl;
cout<<"激活时间：2019/7/31"<<endl;
cout<<"管理员认证号：2019-07-29-0001-ASDFG-CLOA-CAL-A0001"<<endl;
cout<<"信用状态：未违反任何版权约定，您可以继续使用"<<endl;
}
cout<<"是否想要继续：是1，否2, 发送错误信息并关闭程序3：";cin>>sf;
Sleep(100);
system("cls");
if(sf==3){
cout<<"Sending Messages";
cout<<".";
Sleep(500);
cout<<".";
Sleep(500);
cout<<".";
Sleep(500);
system("cls");
cout<<"Sending Messages";
cout<<".";
Sleep(500);
cout<<".";
Sleep(500);
cout<<".";
Sleep(500);
system("cls");
}
//do{
//cout<<"是否想要继续：是1，否2, 发送错误信息3：";cin>>sf;
//Sleep(100);
//system("cls");
//if(sf==3){
// cout<<"正在使用高速通道发送错误信息";
// cout<<".";
// Sleep(500);
// cout<<".";
// Sleep(500);
// cout<<".";
// Sleep(500);
// system("cls");
// cout<<"正在使用高速通道发送错误信息";
// cout<<".";
// Sleep(500);
// cout<<".";
// Sleep(500);
// cout<<".";
// Sleep(500);
// system("cls");
//}
//}while(sf==3);
}while(sf==1);
}
else cout<<"Sorry, invaliable password"<<endl;
}

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