The CASIO FX-120 is a Casio scientific calculator released in 1976. Power: Operates on two AA batteries. *Batteries removed for air shipping. Condition: Working There are some scratches overall. As this is an older model, it shows signs of use. It features a VFD (vacuum fluorescent display) display with 10-digit accuracy and uses algebraic logic. Key Features ■ Display Digits and Precision: It was capable of displaying 10 digits, which was useful for basic calculations, square roots, and fractions. However, trigonometric and logarithmic functions were displayed to 8 significant digits. ■ Functions and Keys: It had 48 functions and 39 keys. A deg/rad/grad selector and a statistics mode switch were located on the front of the unit, allowing you to select trigonometric function mode while using statistics. ★★★Shipping: To ensure the highest quality, the calculator will be carefully packaged and shipped in a box. We generally ship via DHL or Japan Post. **Please note that customs duties may be incurred once the product arrives in your local area, so please be aware of this. *You may receive phone or email calls from your country's customs office or the shipping company regarding customs clearance. Please make sure you can answer the phone. We sincerely hope that your product arrives safely and that you are satisfied. We appreciate your understanding and cooperation in order to ensure a smooth transaction.