The practical calculator for office and desk use. Are you using your smartphone as a calculator and suddenly someone calls? Especially in offices and business environments, investing in the Casio pocket/desktop calculator is worthwhile. This easy-to-use little helper quickly reduces the number of mistakes made. The display not only impresses with its good resolution quality but also shows twelve digits, ensuring clarity. With the help of the tiltable display, you can easily read the entered numbers. The model is powered by a smart combination of solar and battery. This allows the calculator to be used conveniently anywhere. If the time comes to replace an old battery, you will need a model of type LR54.