Sharp HO EL2135BK Professional Desktop Calculator
The Sharp Desktop Calculator is ideal for heavy-duty applications and features a very large 12-digit angled display. It has a twin power source with both battery and solar and a wide keyboard with raised keys and increased pressure sensitivity. Other features include 1 memory (4 buttons), total sum of memory (GT-Function), Decimal (F-3-2-0, A), Lap (from 5/4) and Function MU (Mark-Up button).