The Casio SL-320TER+ Pocket Calculator is a portable, handheld device perfect for on-the-go use. With a large 12-digit LCD display and a currency converter, it is ideal for quick calculations and conversions while out in the field. Powered by both battery and solar energy, this calculator ensures that you always have access to its reliable features. Its compact size and regular key size make it convenient to carry around and use anytime you need to perform calculations.