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The Texas Instruments Business Analyst series is a product line of financial calculators introduced in 1976. BA calculators provide time value of money functions and are widely used in accounting and other financial applications. Though originally designed specifically for financial use, current models also include basic scientific calculator and statistics functions. The BA series competes directly with other mid- to high-end financial calculators, particularly the HP-12C and other models from TI competitor Hewlett-Packard. As of November 2015, TI makes two models, the BA-II Plus (originally introduced in 1991) and the BA-II Plus Professional (introduced in 2004). Notably the BA-II PLUS is increasingly the calculator of choice for business school programs, due to its lower cost and ease of use. While financiers over the age of 45 still choose the HP-12C, the BA-II continues to gain ground in sales. ==BA-II Plus == The BA-II Plus is the main financial calculator sold by Texas Instruments as of 2015. It provides basic scientific calculator functionality alongside its financial functions, and provides most of its financial functions in the form of worksheets, where values are input as variables in a table; when a computation is requested, the calculator plugs the values from the worksheet into the appropriate internal expression and returns the requested result. It has been available in three case designs, based respectively on 1989's TI-68, 1999's TI-30X IIS, and the 2013 revision of the TI-30Xa. It is permitted on several professional exams, including the international Chartered Financial Analyst exam. The 2014 revision includes larger display numbers, but the computation functions remain the same as previous models. It has not been made available in a solar-powered model. The BA-II Plus Professional is an upgrade to the base model introduced in 2004, including several additional worksheet functions such as net future value and modified internal rate of return. It also features a weighted case and a slipcover rather than a hard case. Several companies, most notably Texas Instruments itself, have released emulators of the BA-II Plus for various mobile operating systems. In addition, Stokes Publishing formerly sold The Educator Business, a calculator designed for use on overhead projectors that emulated the BA-II Plus as closely as possible; as of 2015 it does not appear in their catalog. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Texas Instruments Business Analyst」の詳細全文を読む スポンサード リンク
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