"The Texas Instruments TI-84 Plus Graphing Calculator offers a large display for showing graphs and charts. It offers three times more memory than the previous version, and is completely compatible with the TI-83 Plus, making integration into your classroom easy. The TI-84 Plus comes preloaded with educational apps to enhance the classroom experience, and connects to computers or projectors via a USB port for data analysis or presentations. The TI-84 Plus Graphing Calculator is permitted to be used on standardized tests like the PSAT, SAT, and ACT college entrance exams, AP tests, and the IB exam."