This Milan pocket calculator is made for quick everyday calculations at school, in the office, or on the go. It has an 8-digit display, three memory keys, and a square-root function, plus soft-touch keys for comfortable input. Dual power combines a solar cell with a 1.5 V battery, and automatic shutoff helps conserve energy. Its compact size makes it easy to carry. It suits anyone who wants a simple, portable calculator for routine work. Battery is not specified as included in the sources reviewed.