Casio Pocket Calculator with Tax Calculations

Tax calculation: Automatic calculation of price plus tax, price less tax, discount, selling price, tax amount, discount amount, and margin amount. Profit margin percent: % key gives quick access to prices and profits, and also delivers add-ons, discounts, ratios and increase/decrease values. Two-way power (Solar + Battery): Solar powered when light is sufficient, battery powered when light is insufficient. Function command signs: A symbol (+, -, ×, ÷) on the display indicates the sta