The Aurora DT940C is a large semi-desk sized general purpose calculator, which has an angled 12 digit LCD display to enable easy viewing. The calculator is designed for ease of use with large durable hard plastic keys, an extra-large addition key and a well-spaced keypad.Features include a decimal point selector, 'Add mode' for working with money, a roundup or down selector and handy backspace or delete key. There is also a currency conversion function that allows you to program and store a currency exchange rate and then easily convert between your local and chosen currency.