Texas Instruments TI-84 Plus Graphing Calculator B/W

Features:-- Graph functions and trace points made accessible with speech and audible tone. -- Listen to entire graph, including special sounds for negative regions and axis crossing points.-- Scroll the history of calculations and quickly recall and edit input/output.-- Choose how to view calculations on screen: as decimals or fractions.-- Matrix functions and calculations.-- Amazing list of scientific, statistical, and financial functions. -- Connect to your computer via USB cable to print or emboss graphs and other work (requires a printer or embosser an a PC).-- LCD display and keypad functionality are identical to the standard TI-84 PlusIncludes-- Talking Graphing Calculator with hard plastic sliding cover-- Stereo earbuds-- USB Standard A to Mini B cable with adapter-- Four AAA batteries-- Quick Start Guide in print and braille-- Full documentation on flash driveDimensions: 9.3 inches x 3.5 inches x 1 inch.