急！！！求一个简单的C语言计算器程序.....

微信公开课小程序热门讨论「急！！！求一个简单的C语言计算器程序.....」最新回复-//实现计算机功能的程序aprogramwhichcanworkthefunctionsasacomputer.#includestdio.h//头文件#includeconio.hvoidmenu();//声明部分voidadd();voidsub();voidmul();voiddiv();voidremain();voidadd_n_to_m();voidfactor();main(){inti;while(1){system(cls);//清屏功能menu();printf(choosefunction:);scanf(%d,&i);switch(i){case1:add();getch();break;//调用部分case2:sub();getch();break;case3:mul();getch();break;case4:div();getch();break;case5:remain();getch();break;case6:add_n_to_m();getch();break;case7:factor();getch();break;case8:exit(0);break;}}}//以下是自己定义的函数voidmenu()//菜单{printf(+====mycounter===+\n);printf(+功能如下:+\n);printf(+1.加法+\n);printf(+2.减法+\n);printf(+3.乘法+\n);printf(+4.除法+\n);printf(+5.求余+\n);printf(+6.从n到m的和+\n);printf(+7.阶乘+\n);printf(+8.退出+\n);printf(+=================+\n);}voidadd()//加法运算{doublea,b;printf(inputtwonumbers:);scanf(%lf%lf,&a,&b);printf(%lf+%lf=%lf\n,a,b,a+b);}voidsub()//减法运算{doublea,b;printf(inputtwonumbers:);scanf(%lf%lf,&a,&b);printf(%lf%lf=%lf\n,a,b,ab);}voidmul()//乘法运算{doublea,b;printf(inputtwonumbers:);scanf(%lf%lf,&a,&b);printf(%lf*%lf=%lf\n,a,b,a*b);}voiddiv()//除法运算{doublea,b;printf(inputtwonumbers:);scanf(%lf%lf,&a,&b);if(b==0)//被除数不能为0printf(error\n);elseprintf(%lf/%lf=%lf\n,a,b,a/b);}voidremain()//求余运算{inta,b;printf(inputtwonumbers:);scanf(%d%d,&a,&b);if(b==0)//被除数不能为0printf(error\n);elseprintf(%d%%%d=%d\n,a,b,a%b);}voidadd_n_to_m()//累加{intm,n,i=0,s=0;printf(inputnandm:);scanf(%d%d,&n,&m);if(nm)printf(error.\n);//条件限制else{for(i=n;i=m;i++)s+=i;printf(%d+...+%d=%d\n,n,m,s);}}voidfactor()//阶乘{intn,i,s;printf(inputanumber:);scanf(%d,&n);if(n=0)printf(error.\n);//条件限制else{for(i=1,s=1;i=n;i++)s*=i;printf(%d!=%d\n,n,s);}
只要+-*/的是吧？#includestdio.hintmain(void){charch;inta,b;printf(Enterformula:);scanf(%d%c%d,&a,&ch,&b);switch(ch){case+:printf(%d+%d=%dn,a,b,a+b);break;case-:printf(%d-%d=%dn,a,b,a-b);break;case*:printf(%d*%d=%dn,a,b,a*b);break;case/:printf(%d/%d=%dn,a,b,a/b);}}本回答被提问者和网友采纳 更多有关「急！！！求一个简单的C语言计算器程序.....」的疑问请扫码关注微信公开课+小程序！