Nice Texas Instruments TI-84 Plus Scientific Graphing Calculator AA battery powered with the case. Expanded graphing technology performance comes preloaded with more than a dozen applications, including functionality that encourages exploration of interactive geometry, inequality graphing and real-world data collection and analysis. Standardized testing organizations have approved the TI-84 Plus for use on the PSAT®, SAT®, and ACT® college entrance exams, IB® Diploma Programme and AP® tests. This proven education and scientific tool is ready to be shipped across North America. Contact us for international shipping.