- graph and compare functions - FLASH ROM memory for updating and adding software apps data plotting and analysis - comes wit preloaded apps (including StudyCards and Vernier EasyData) - approved for SAT, AP, PSAT,/NMSQT, ACT, International Baccalaureate, and Praxis It is $145.99 on Amazon and at Staples. https://www.staples.ca/products/47388-en-texas-instruments-ti-83-graphing-calculator-bilingual