The built-in clock and calendar allow you to view the time and date on the display or print them out. Backspace button allows you to quickly correct minor mistakes for time-saving operation. Canon: Product Name: P170-DH-3 Printing Calculators: Product Type: Printing Calculator: Technical Information: User Manual; Recycled: No: Assembly Learn how to set the date, time, and tax rates on the Victor PL8000. You can find more advanced functions for your calculator by looking up its manual at www The built-in clock and calendar allow you to view the time and date on the display or print them out. Backspace button allows you to quickly correct minor mistakes for time-saving operation. Sign change allows you to immediately change the sign of negative or positive numbers for versatile performance. Canon Global Canon Knowledge Base Double-check function minimizes user errors for accurate calculations Built-in clock and calendar show time and date on display or prints Backspace key lets you quickly correct minor input errors Sign Canon P170-DH-3 Printing Calculators . Calendar, Clock, Item Count, Sign Change, Compact - 12 Digits - White - 1 Each User Manual Built-in clock and calendar show time and date on display or prints. Backspace key lets you quickly correct minor input errors. Canon P170-DH-3 Printing Calculators Calendar, Clock, Item Count, Sign Change, Compact - 12 Digits - 3" x 9.6" x 15.2" - White - 1 Each User Manual; Recycled No Assembly Required Built-in clock and calendar show time and date on display or prints. Backspace key lets you quickly correct minor input errors. Canon P170-DH-3 Printing Calculators Calendar, Clock, Item Count, Sign Change, Compact - 12 Digits - 3" x 9.6" x 15.2" - White - 1 Each User Manual; Recycled No Assembly Required