Atps Programacao Estruturada 1

#include<stdio.h>

#include<conio.h>

#include<math.h>

main()

{

char op;

int num1,num2,bas,exp,res;

float val1,val2,res2;

while (1) {

system("cls");

printf("\t\xC9\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xBB\n");

printf("\t\xBA C A L C U L A D O R A\xBA\n");

printf("\t\xC8\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xBC\n");

printf("\t(+) - Soma\n");

printf("\t(-) - Subtracao\n");

printf("\t(*) - Multiplicacao\n");

printf("\t(/) - Divisao\n");

printf("\t(E) - Exponenciacao\n");

printf("\t(R) - Raiz Quadrada\n");

printf("\t(P) - Porcentagem\n");

printf("\t(S) - Sair\n");

printf("\tOpcao: ");

op = getche();

switch (op)

{

case '+' : printf("\n\n\t\t S O M A \n");

printf("\n\t Digite o primeiro valor: ");

scanf("%d",&num1);

printf("\t Digite o segundo valor: ");

scanf("%d",&num2);

res= num1+num2;

printf("\n\t %d+%d = %d \n",num1,num2,res);

break;

case '-' : printf("\n\n\t\t S U B T R A C A O \n");

printf("\n\t Digite o primeiro valor: ");

scanf("%d",&num1);

printf("\t Digite o segundo valor: ");

scanf("%d",&num2);

res= num1-num2;

printf("\n\t %d-%d = %d \n",num1,num2,res);

break;

case '*' : printf("\n\n\t\t M U L T I P L I C A C A O \n");

printf("\n\t Digite o primeiro valor: ");

scanf("%f",&num1);

printf("\t Digite o segundo valor: ");

scanf("%f",&num2);

res= num1*num2;

printf("\n\t %d * %d = %d \n",num1,num2,res);

break;

case '/' : printf("\n\n\t\t D I V I S A O \n");

printf("\n\t Digite o primeiro valor: ");