Posted By

OdnetninI on 09/08/12

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Last Edited at 09/08/12 08:54am

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Calculator V 2.1

/ Published in: C

New Operation

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// Includes of the System
#include <stdio.h>
#include <inttypes.h>

// Float variables of numbers
float a = 0;
float b = 0;

// Float variable of result
float result = 0;

// Check Variable
uint8_t lastresult = 0;

/*
    Fuction AskNumbers
    Ask for the numbers
*/
void AskNumbers ()
{
    if (lastresult == 0 )
    {
        printf("Elige el primer NÃƒï¿½Ã¯Â¿Â½Ãƒï¿½Ã‚Âºmero: ");
        scanf("%f", &a);
        printf("Elige el segundo NÃƒï¿½Ã¯Â¿Â½Ãƒï¿½Ã‚Âºmero: ");
        scanf("%f", &b);
    }
    else if (lastresult == 1)
    {
        a = result;
        printf("Elige el segundo NÃƒï¿½Ã¯Â¿Â½Ãƒï¿½Ã‚Âºmero: ");
        scanf("%f", &b);
    }
    else if (lastresult == 2)
    {
        b = result;
        printf("Elige el Primer NÃƒï¿½Ã¯Â¿Â½Ãƒï¿½Ã‚Âºmero: ");
        scanf("%f", &a);
    }
}

/*
    Fuction PrintfOptions
    Printf the Options
*/
void PrintfOptions ()
{
    printf("Basic Calculador by OdnetninI\n");
    printf("-----------------------------\n");
    printf("1. Suma\n");
    printf("2. Resta\n");
    printf("3. MultiplicaciÃƒï¿½Ã¯Â¿Â½Ãƒï¿½Ã‚Â³n\n");
    printf("4. DivisiÃƒï¿½Ã¯Â¿Â½Ãƒï¿½Ã‚Â³n\n");
    printf("5. Potencia\n");
    printf("-----------------------------\n");
}

/*
    Main
    Init point of System
*/
int main()
{
    // Temporal vairables
    uint8_t salir = 0;
    uint8_t opcion = 0;

// Main While
    while(salir == 0)
    {
        // Printf the Options
        PrintfOptions();

// Ask for the option
        printf("Elija su OpciÃƒï¿½Ã¯Â¿Â½Ãƒï¿½Ã‚Â³n: ");
        scanf("%d", &opcion);

// Check if answer is correct
        if (opcion > 0 && opcion < 6)
            AskNumbers();

// Make the operation
        switch (opcion)
        {
            case 1:
                printf("%5.2f + %5.2f = %5.2f\n", a, b, a + b);
                result = a + b;
                break;

case 2:
                printf("%5.2f - %5.2f = %5.2f\n", a, b, a - b);
                result = a - b;
                break;

case 3:
                printf("%5.2f * %5.2f = %5.2f\n", a, b, a * b);
                result = a * b;
                break;

case 4:
                printf("%5.2f / %5.2f = %5.2f\n", a, b, a / b);
                result = a / b;
                break;

case 5:
                result = a;
                for (float i = 0; i < b-1; i++)
                    result *= a;
                printf("%5.2f ^ %5.2f = %5.2f\n", a, b, result);
                break;

default:
                printf("OperaciÃƒï¿½Ã¯Â¿Â½Ãƒï¿½Ã‚Â³n Desconocida\n");
                break;
        }

// Ask for go out
        printf("Ãƒï¿½Ã¯Â¿Â½Ãƒï¿½Ã‚Â¿Desea salir? [0:No, 1:Si]");
        scanf("%d", &opcion);

// Check the answer
        if (opcion == 1)
            salir = 1;

else
        {
            salir = 0;
            printf("Ãƒï¿½Ã¯Â¿Â½Ãƒï¿½Ã‚Â¿Quieres conservar el resultado? [0:No, 1:Resultado es A, 2: Resultado es B]");
            scanf("%d", &opcion);
            if (opcion == 1) lastresult = 1;
            else if (opcion == 2) lastresult = 2;
            else lastresult = 0;
        }

// New Line
        printf("\n");
    }

// Exit of the program
    return 0;
}

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