Casio Calculator DJ-120D

"DJ-120D 150 Steps Check Localized number display Desk-Top Type 35(H) × 140(W) × 191(D) mm 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 rollover Key operations are stored in a buffer, so nothing is lost even during high-speed input. Plastic keys Designed and engineered for easy operation. Regular percent Regular percentage calculations. Mark-up All the mark-up capabilities of an adding machine for simplified cost and profit calculations. Function command signs A symbol (+, -, ×, ÷) on the display indicates the status of operation you are currently performing. 150 steps check Displays up to 150 previous calculation steps. Localized number display Displays numbers in three digit separator formats (Standard, European, and Indian)."