This Sharp EL-506GB Scientific Calculator is brand new and comes with a hard case, making it perfect for protecting it during transport. Its large display size and regular key size make it easy and comfortable to use, while its battery power source allows for convenient portability. This model is perfect for any scientific calculations and is accompanied by a manual to help guide you through its features. The calculator is sealed and has never been opened, ensuring that it is in pristine condition for your use.