Versatile twin-powered calculator with adding machine logic.

• Wall mountable
• Easy-to-read 12-digit display (13 mm height) display with automatic three-digit punctuation
• Auto power off after seven minutes

Solar powered with battery backup prevents memory loss and keeps calculator running in all lighting conditions.

Features decimal function, item count function, percent key, change sign (+/–) key, backspace key, double zero key, grand total key, square root key, markup/down key, percent add-on/discount and 4-key memory.