/*改了一下你看看行不這不是在TC的環境下編的，我盡量用TC中的庫函數，有什么問題再提*/?
/*getch（）相當于getchar（）只不過輸入的時候不回顯到屏幕上*/?
/*如果還有錯誤，把錯誤貼出來，或者發消息給我我好改*/?
#include??
#include??
#include??
#include??
#include??
#define?N?100?
double?numStack[N]={0};?
int?numTop;?
char?opStack[N];?
int?opTop;?

int?op（char?ch）?
{?
if（ch==‘+‘||ch==‘-‘）?return?2;?
if（ch==‘*‘||ch==‘/‘）?return?3;?
if（ch==‘（‘）?return?-1;?
return?0;?
}?

double?result（double?num1char?opdouble?num2）?
{?
if（op==‘+‘）?return?num1+num2;?
if（op==‘-‘）?return?num1-num2;?
if（op==‘*‘）?return?num1*num2;?
if（op==‘/‘）?return?num1/num2;?
return?0;?
}?

int?compute（char?str[]）?
{?
double?num=0;?
int?i=0j=1k=1;?
int?Flag=0;?
numTop=opTop=0;?
while（str[i]!=‘\0‘||opTop>0）?
{?
if（str[i]>=‘0‘&&str[i]<=‘9‘）?
if（Flag==0）?
num=num*10+str[i]-‘0‘;?
else?
{?
num+=（str[i]-‘0‘）/（j*10.0）;?
j*=10;?
}?
else?
if（str[i]==‘.‘）?
Flag=1;?
else?
if（?k==1&&str[i]==‘-‘&&（i==0||op（str[i-1]））?）?
k=-1;?
else?
{?
if（i>0&&!op（str[i-1]）&&str[i]!=‘（‘&&str[i-1]!=‘）‘）?
{?
numStack[numTop++]=num*k;?
num=0;?j=1;?Flag=0;?k=1;?
}?
if（opTop==0||str[i]==‘（‘）?
opStack[opTop++]=str[i];?
else?
if（str[i]==‘）‘）?
{?
while（opTop>0&&opStack[--opTop]!=‘（‘）?
{?
numStack[numTop-2]=result（numStack[numTop-2]opStack[opTop]numStack[numTop-1]）;?
numTop--;?
}?
if（opStack[opTop]!=‘（‘）?return?0;?
}?
else?
{?
if（str[i]==‘\0‘&&numTop==0）?return?0;?
while（opTop>0&&op（str[i]）<=op（opStack[opTop-1]））?
{?
numStack[numTop-2]=result（numStack[numTop-2]opStack[--opTop]numStack[numTop-1]）;?
numTop--;?
}?
if（str[i]!=‘\0‘）?
opStack[opTop++]=str[i];?
}?
}?
if（str[i]!=‘\0‘）?
i++;?
}?
if（numTop!=1||opTop!=0）?
return?0;?
return?1;?
}?

void?face（）?
{?
system（“cls“）;?
printf（“__________________________________________________________________\n“）;?
printf（“?Save?number（S）?|?Read?number（R）?|?Clear（C）?|?Equal（E）?|?Quit（Q）?\n“）;?
printf（“------------------------------------------------------------------\n“）;?
}?

main（）?
{?
int?i=0j=0k;?
char?str[N]=“\0“;?
char?n