Recommended models for graphics: TI-84 PLUS, TI-84 PLUS CE, TI nspire CX, TI Nspire CX Cas, TI-89Titanium
 
Recommended models for financial type: BA II Plus, BA II Plus professional
 
Recommended functional models: TI-36X PRO, TI 36X II
 
Texas Instruments is the world's largest manufacturer of digital signal processors and analog semiconductor components, and is known for developing, manufacturing and selling semiconductor technology as the world's leading semiconductor multinational company. The construction of integrated circuits inside the calculator involves semiconductors, digital circuits, microcontrollers, etc. After realizing the huge potential of the portable hand-held calculator market, Texas Instruments entered the computer industry with its own technical resources.
 
Texas Instruments has a smaller range of calculator products than Casio, and currently only has functional science, graphics and finance, which serve more of the education market. It is also inferior to Casio in the domestic market and lacks official sales channels.
 
Texas Instruments' graphing calculator is the existence of "one lesson and one practice" for American students, with a wide range of teaching applications, among all computer brands, the earliest began to explore the combination of calculator and classroom teaching, that is, through USB to achieve computer connection, projection, or connection with other computer equipment, teachers and students can exchange information. The existing TI nspire series, TI-84 series, and TI-89 series are priced at about 1,000 yuan. In terms of performance, both TI-84 and TI-89 belong to the upgraded continuation of the classic series. Compared to the two, the TI nspire series can be described as a fighter plane, in addition to the general computing function, the number of built-in functions is almost as many as Excel, which is equivalent to a microcomputer.
 
BA II Plus financial calculator series is an official designated machine for financial industry-related exams, such as CFA, CPA, etc., with a price range of 300-400. The calculator chip is equipped with a large number of financial formulas, which can calculate depreciation and amortization schedules, time value calculation of money, interest rate conversion, univariate and bivariate statistics, etc. The algebraic input system is easy to use, faster to use, and more cost-effective than HP, and Texas Instruments can be the first choice when preparing for relevant exams.
 
TI-36X PRO AND TI 36X II belong to the function series products, and the functions are on par with Casio, but the only drawback is that the full English display output, which is not convenient for Chinese consumers to use.