Casio DS 3B Heavy Duty Calculator

14 digits calculator

Two-way power (Solar + Battery)Solar powered when light is sufficient, battery powered when light is insufficient.

Function command signsA symbol (+, -, ×, ÷) on the display indicates the status of operation you are currently performing.

Key rolloverKey operations are stored in a buffer, so nothing is lost even during high-speed input.

Extra Large displayLarger display makes more data easier to read.