The calculator uses a non standard way to show the 6 and the 9 with only 5 segments instead of the usual 6. A single dot at the left of the display is used to indicate a non-zero value in the calculator’s memory. A brief manual of the calculator’s functions is printed on the back. Functions: 22 Keys: 20 Precision: 8 Logic: Algebraic Display type: VFD Length: 151mm Width: 76mm Thickness 18mm The calculator will be packed carefully.