Orion T136X Talking Scientific Calculator
Ergonomically designed for use by the visually impaired. Perfect for students of junior high school algebra to college calculus. Easy for teachers to help with. Clear, high-quality, natural speech. Each key is spoken when pressed. Repeat facility speaks the display at any time. Choice of speech modes for quiet or verbose operation. Unique learning mode for key identification without interrupting operation. Over 127 scientific functions including 1 and 2 variable statistics, trigonometry and unit conversion. Large tactile, functionally zoned keys. Backspace/correction key. High capacity rechargeable battery for over 6 hours of continuous operation. Battery or AC adapter operation. Easy on/off control, auto power-off. Protective snap cover. Included accessories: High quality earphone for private use, AC adaptor. Small and lightweight (pocket size, 11 ounces). Dimensions: 6.2 x 3 x 1.3.