This little calculator was popular in the early 1970's. This is very clean and works great. Uses (4) AA batteries (batteries not included). Battery terminals are clean!!This handheld electronic calculator has an aluminum and black plastic case and eighteen rounded rectangular plastic keys. These include ten digit keys, a decimal point key, four arithmetic function keys, a total key, a shift key and a clear key. Behind the keyboard is a six-digit blue fluorescent displ...ay. The on/off switch is on the left side and a power jack is along the back edge. A mark above the display reads: SPERRY REMINGTON 663. The back of the calculator has a compartment for four AA batteries at the base. The calculator has a black plastic zippered case. Text on the front reads: SPERRY REMINGTON.
Please see my pictures for condition and everything included with this listing.Coming from a smoke-free home. Thanks for looking!!