financial calculator
{{Short description|Electronic calculator}}
A financial calculator or business calculator is an electronic calculator that performs financial functions commonly needed in business and commerce communities{{citation|title=Effective Use of a Financial Calculator|first=Pamela L.|last=Hall|publisher=Cengage Learning|year=1999|isbn=9780030267864}} (simple interest, compound interest, cash flow, amortization, conversion, cost/sell/margin, depreciation etc.). It has standalone keys for many financial calculations and functions, making such calculations more direct than on standard calculators.{{citation|title=Personal Financial Planning|first1=Lawrence|last1=Gitman|first2=Michael|last2=Joehnk|first3=Randy|last3=Billingsley|edition=13th|publisher=Cengage Learning|year=2013|isbn=9781285633138|url=https://books.google.com/books?id=odAWAAAAQBAJ&pg=PA620|pages=620–621|contribution=Appendix E: Using a Financial Calculator}}. It may be user programmable, allowing the user to add functions that the manufacturer has not provided by default.{{citation|title=Real Estate Finance Today|first=Doris|last=Barrell|publisher=Dearborn Real Estate|year=2004|isbn=9780793181490|page=34|url=https://books.google.com/books?id=3oWaJr_0ZB4C&pg=PA34|quote=most real estate professionals today use a programmable financial calculator to determine loan payments and other financial calculations}}.
Examples of financial calculators are the HP 12C, HP-10B and the TI BA II.{{citation|title=Using Financial Calculators for Time Value of Money Calculations|first=Johan|last=Marx|publisher=Pearson South Africa|year=2009|isbn=9781770256804|quote=This booklet explains how to use 2 different financial calculators ... namely the Hewlett-Packard 10-BII [and] Texas Instrument BA II plus}}.
A wide number of graphing calculators, like the Casio FX-9860GII, the Texas Instruments TI-89 Titanium, and the Hewlett Packard HP 48gII include complex financial calculations, as well as spreadsheet applications such as Microsoft Excel, LibreOffice Calc, and Google Sheets.