Financial calculator Financial calculator A financial calculator or business calculator is an electronic calculator that performs financial functions commonly needed in business and commerce communities (simple interest, compound interest, cash flow, amortization, conversion, cost/sell/margin, etc). 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. Examples of financial calculators are the HP 12C, HP-10B and the TI BA II. Wide number of graphics calculators like Casio fx-9860GII, Texas Instruments TI-89 Titanium, Hewlett Packard HP-48GII,
NCR Corporation 1953, the company acquired the Computer Research Corporation (CRC), after which it created a specialized electronics division. In 1956, NCR introduced its first electronic device, the Class 29 Post-Tronic, a bank machine using magnetic stripe technology. With the General Electric Company (now known as GE ), the company manufactured its first transistor-based computer in 1957, the NCR 304. Also in the 1950s NCR introduced MICR (magnetic ink character recognition) and the NCR 3100 accounting machines. In 1962, NCR introduced the NCR-315 Electronic Data Processing System which included the CRAM storage device, the first automated mass storage alternative to magnetic tape