The portable calculator features large and clear 12-digit display, durable and comfortable keys, solar and battery powered supply. It with standard functions, such as arithmetic keys, 3 memory keys, backspace key, percent key and mark-up/mark-down key, great useful for office, home and school work.Features: Large and clear 12-digit display to reduce visual fatigue. Two-way power supply, solar and 1 * AA battery(not included), extend service time. The comfortable plastic keys with durable construction. GT function to calculate the grand total. Additional keys: arithmetic keys, 3 memory keys, backspace key, percent key and mark-up/mark-down key. Portable mini size, with colorful and lovely design for better decorating desktop. Humanized tilted display for easy viewing. Great for office, home and school work.Specifications: Material: Plastic Color: Orange Power Supply: Solar & 1 * AA Battery (Not Included) Digit: 12 Memory Key: 3 Mark-up/Mark-down: Yes Percent Key (%): Yes Grand Total(GT): Yes Backspace Key: Yes Item Size: 14 * 11.5 * 5.0cm / 5.5 * 4.5 * 2.0in (L * W * H) Item Weight: 112g / 4.0oz Package Size: 15 * 12.5 * 4.0cm / 5.9 * 4.9 * 1.6in (L * W * H) Package Weight: 134g / 4.7ozPackage List: 1 * Calculator 1 * User Manual(Chinese / English)Note: The battery is not included.