3 in 1 Calculator is an application containing a scientific calculator but also a QR Code scanner and a barcode scanner. You will be able to perform simple mathematical calculations but also more complex calculations requiring a scientific calculator. This tool finally allows you to have 3 applications in one since it allows you to scan your QR codes and your bar codes without having to download 3 applications. This scientific calculator is therefore very practical as it avoids taking up space in all your icons.