The SL-310UC is a pocket calculator with 10 digit LCD display, percentage and tax calculations, sign change and environmentally friendly with solar power and batteries.

• The SL-310UC includes the following features:
• 10-Digit BIG-Display with Function Command Signs, Plastic Keys, Key Rollover, Professional Percentage Calculation, Profit Margin via %-key, Time calculation, TAX Calculation, 4-Key Memory, 3-Digit Comma Markers, Key for Changing Plus/Minus Sign, Backspace Key, Square Root.