The Victor Big Print Commercial Thermal Printing Calculator VCT1310 is designed for efficient and clear calculations. It features a 2-color dot backlit display that shows positive numbers in green and negative numbers in red, ensuring easy readability. The thermal printer operates quietly and quickly at a speed of 6.0 lines per second. Users can select between a 10-digit mode for larger print size or a 12-digit mode for standard print size. This calculator includes essential functions such as cost/sell/margin calculations, two independent tax keys, item count, and grand total, making it ideal for commercial use. It operates on AC power for continuous functionality.