Casio DS-1B 10-Digit Financial Calculator, Multicolour

Highlights: Automatic calculation of price plus tax, price less tax, discount, selling price, tax amount, discount amount, and margin amount Solar powered when light is sufficient, battery powered when light is insufficient A symbol on the display indicates the status of operation you are currently performing Key operations are stored in a buffer, so nothing is lost even during high-speed input Keys are produced by injecting plastic of two different colors Number of sheets per day is 100