12 digits Regular percentage calculations. Displays up to 150 previous
calculation steps. Solar powered when light is sufficient, battery powered when
light is insufficient. A symbol on the display indicates the status of operation
you are currently performing. Key operations are stored in a buffer, so nothing
is lost even during high-speed input. Larger display makes more data easier to
read. Displays numbers in four digit separator formats(Type A, Type B, Type C
and Indian).