uint8_t overflow()
{

    if ((result/10000) >  0)
        return 1;

    else
        return 0;
}



uint8_t underflow()
{



    if (result< 0)
        return 1;


    else
        return 0;
}




void equalTo()
{
    if (underflow() == 1)
    blink();

    else if (overflow() == 1)
    blink();

    else
    numToTable(result);

}