#suma {
    font-weight: bold;
    cursor: pointer;
    padding: 5px;
    margin: 0 10px 20px 0;
    border: 1px solid #ccc;
    background: #eee;
    border-radius: 8px 8px 8px 8px;    
    
  }
#resta {
    font-weight: bold;
    cursor: pointer;
    padding: 5px;
    margin: 0 10px 20px 0;
    border: 1px solid #ccc;
    background: #eee;
    border-radius: 8px 8px 8px 8px;
}
#multiplicacion {
    font-weight: bold;
    cursor: pointer;
    padding: 5px;
    margin: 0 10px 20px 0;
    border: 1px solid #ccc;
    background: #eee;
    border-radius: 8px 8px 8px 8px;
}
#division {
    font-weight: bold;
    cursor: pointer;
    padding: 5px;
    margin: 0 10px 20px 0;
    border: 1px solid #ccc;
    background: #eee;
    border-radius: 8px 8px 8px 8px;
}
#vabsmod {
    font-weight: bold;
    cursor: pointer;
    padding: 5px;
    margin: 0 10px 20px 0;
    border: 1px solid #ccc;
    background: #eee;
    border-radius: 8px 8px 8px 8px;
}
#conjugado {
    font-weight: bold;
    cursor: pointer;
    padding: 5px;
    margin: 0 10px 20px 0;
    border: 1px solid #ccc;
    background: #eee;
    border-radius: 8px 8px 8px 8px;
}
#potencia {
    font-weight: bold;
    cursor: pointer;
    padding: 5px;
    margin: 0 10px 20px 0;
    border: 1px solid #ccc;
    background: #eee;
    border-radius: 8px 8px 8px 8px;
}
#inverso {
    font-weight: bold;
    cursor: pointer;
    padding: 5px;
    margin: 0 10px 20px 0;
    border: 1px solid #ccc;
    background: #eee;
    border-radius: 8px 8px 8px 8px;
}
#polar {
    font-weight: bold;
    cursor: pointer;
    padding: 5px;
    margin: 0 10px 20px 0;
    border: 1px solid #ccc;
    background: #eee;
    border-radius: 8px 8px 8px 8px;
}
#exponencial {
    font-weight: bold;
    cursor: pointer;
    padding: 5px;
    margin: 0 10px 20px 0;
    border: 1px solid #ccc;
    background: #eee;
    border-radius: 8px 8px 8px 8px;
}
#seno {
    font-weight: bold;
    cursor: pointer;
    padding: 5px;
    margin: 0 10px 20px 0;
    border: 1px solid #ccc;
    background: #eee;
    border-radius: 8px 8px 8px 8px;
}
#coseno {
    font-weight: bold;
    cursor: pointer;
    padding: 5px;
    margin: 0 10px 20px 0;
    border: 1px solid #ccc;
    background: #eee;
    border-radius: 8px 8px 8px 8px;
}
#tangente {
    font-weight: bold;
    cursor: pointer;
    padding: 5px;
    margin: 0 10px 20px 0;
    border: 1px solid #ccc;
    background: #eee;
    border-radius: 8px 8px 8px 8px;
}