Model Name : Casio Portable SX-320P Calculator
*Extra Large display
Larger display makes more data easier to read.
*Two-way power (Solar + Battery)
Solar powered when light is sufficient, battery powered when light is insufficient.
Key operations are stored in a buffer, so nothing is lost even during high-speed input.
Designed and engineered for easy operation.
*Durable metal Faceplate
Tough cover stands up to rough treatment.
Regular percentage calculations.