The FX-82DE X is the successor to the popular FX-82DE Plus. The Classwiz series of calculators features a new high-resolution LC display with 192 x 63 pixels and four times the resolution of the well-known FX-DE Plus series display. In addition, the FX-82DE X has new hardware with a 4x faster processor (compared to the FX-DE Plus series) and double the memory.