A financial calculators is an electronic calculator that performs financial functions commonly needed in business and commerce communities. It has standalone keys for many financial calculations and functions, making such calculations more direct than on standard calculators. It may be user programmable, allowing the user to add functions that the manufacturer has not provided by default.
Major manufacturers of financial calculators include Casio, Hewlett Packard, and Texas Instruments. Other manufacturers serve further niche areas in the financial calculator space. Financial calculators are also referred to as business calculators.
Examples of financial calculators are the HP-12C, and the TI BA II.