#include<iostream.h> #include<conio.h> main() { clrscr(); int value_1; int value_2; int result; int unknown=0; char optr; cout<<\"\\n Enter the Value_1 = \"; cin>>value_1; cout<<\"\\n Enter the operator ( optr ) = \"; cin>>optr; cout<<\"\\n Enter the Value_2 = \"; cin>>value_2; switch(optr) { case \'+\' : result=value_1+value_2; break; case \'-\' : result=value_1-value_2; break; case \'*\' : result=value_1*value_2; break; case \'/\' : result=value_1/value_2; break; default : cout<<\"\\n Unknown Operator \"<<endl; unknown=1; } if(unknown==0) cout<<\"\\n Result = \"<<result<<endl; getch(); return 0; }