Texas Instruments 89TCLM Ti-89 Graphing Calculator - Titanium

Texas Instruments TI-89 Titanium Graphing Calculator. Features Graphing calculator handles calculus - algebra - matrices - and statistical functions. 188 KB RAM and 2.7 MB flash memory for speed; plenty of storage for functions - programs - data. Large 100 x 160 pixel display for split-screen views. USB on-the-go technology for file sharing with other calculators and connecting with PCs.