TEXAS INSTRUMENTS TI 83 PLUS GRAPHING CALCULATOR. EASY TO USE. DATA PLAOTTING AND ANALYSIS. DISPLAY RESOLUTION: 96X64. FLASH MEMORY (ROM/RAM) 160 KB/24KB. CALCULATE AND GRAPH MEAN, STANDARD DEVIATION, INFERENTIAL STATISTICS AND MORE. EASILY SEE CONNECTIONS BETWEEN DATA AND FUNCTION GRAPHING. 3 STATISTICAL PLOT DEFINITIONS FOR SCATTERPLOTS, XY-LINE PLOTS, HISTOGRAMS, AND NORMAL PROBABILITY PLOTS. USE FOR PRE-ALGEBRA, ALGEBRA 1 AND 2, STATISTICS, BIOLOGY, PHYSICS, BUSINESS AND FINANCE.