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.
The flagship calculator in the line has been known as the BA-II since 1978, when the first LCD model was released; however, other models have always been available. The BA Real Estate provided functions optimized for real estate agents and property investors, while the BA-20 Profit Manager provided some of the more commonly used accounting functions in a desktop package for sales use. In addition, some early versions of the Business Analyst line were available in custom versions for various companies.
The current lineup (January 2008) includes three models: the BA-II PLUS targeted at students, the BA-II Plus Professional for professional use, and the latest incarnation of the 20+-year-old BA-20. The BA-II models are widely used on accounting certification exams as well as being one of the two permitted calculators on the Chartered Financial Analyst exam and Society of Actuaries and have essentially replaced the lower-end, special purpose designs, all of which had been phased out by 2000.
The BA-35 was targeted at students studying finance and was available from 1985 to the late 2000s; though it contained a full set of TVM functions, it lacked the advanced scientific calculator functions of later models of the BA-II. It was the most affordable calculator for time-value-of-money calculations.
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