... TI-84 Plus Silver Edition (SE) Graphing Calculator Electronically upgradeable graphing handheld allows you to have the most up-to-date functionality and software applications (Apps). 2.5 times the processor speed of the TI-83 Plus. 1.5 MB FLASH ROM memory ... Matrix operations including inverse, determinant, transpose, augment, reduced row echelon form, and elementary row operations. Convert matrices to lists and vice-versa. List-based one- and two-variable statistical analysis, including logistic, sinusoidal, ...