Orion Talking Graphing Calculator TI-84

The world's first fully accessible handheld graphing calculator! Based on the popular TI-84 Plus model from Texas Instruments, the market-leader in calculators and educational technology, the Orion TI-84 Plus represents a breakthrough in STEM education for blind and visually-impaired students. Compact accessory that is attached to the top of the TI-84 Plus enables someone who is visually impaired to interact with the TI-84 Plus using speech, audio, and haptic (vibration) feedback. Graphs can be explored using either spoken announcements or the unique SonoGraph audio and haptic feedback which provides multi-modal visualization of graphs. The user can also review the contents of the screen at any time, including all text and graphical information, without affecting the calculation or losing their place. It is fully expandable with hardware accessories through a USB port and can also connect to your computer via USB cable to print or emboss graphs and other work (requires a printer or embosser). Includes: --High-capacity rechargeable battery --Automatic power-off feature --High-quality stereo earphones for private use (or use the built-in stereo speakers), user manual in audio and digital form, AC adapter/charger (unit can also be charged while connected to a computer's USB port) --Full access to all menus, expressions, text, and symbols displayed on the screen --Full access to graphs through speech output of coordinates and the innovative SonoGraph, including differential sounds for negative regions and axis crossing points --Superb synthesized speech quality --Ergonomically designed; large, tactile, functionally zoned keys-- each key spoken when pressed --Repeat facility to speak the display (or parts of it) at any time --Scroll the history of calculations and quickly recall input/output --Fully upgradable via supplied USB cable --Dimensions: 9.3 inches x 3.5 inches x 1 inch --1-year limited warranty Product dimensions (imperial): 1 inch H x 9.3 inch L x 3.5 ...