"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."