12-digit calculator with 3-button memory, for office, home or school. Large Jumbo LCD display with adjustable tilt angle, which displays the numbers very clearly and makes it easier to read. Auto power off power supply by solar energy and battery. The solar panel will fully power the calculator as long as it is used in a lit room. Available functions: Currency conversion. VAT and interest rate calculation. Correction function and cost turnover margin calculation function. Colour: white. Discover all available models and colours Osama BIG DISPLAY, 12-digit desktop calculator with large tilting display and cost turnover margin calculation function - White 12-digit calculator with 3-button memory, for office, home or school Large Jumbo LCD display with adjustable tilt angle that displays the numbers very clearly and makes it easier to read. Auto power off power supply by solar energy and battery. The solar panel will fully power the calculator as long as it is used in a lit room. Available functions: Currency conversion. VAT and interest rate calculation. Correction function and cost turnover margin calculation function. Colour: white. Discover all available models and colours