Features

Below is a half-scale picture of the TI-92.

Specifications:

• Full QWERTY keyboard, numeric keypad, and eight-direction cursor (at the right top).
• High resolution 128x240 pixel display.
• Has interactive geometry to create points, lines, triangles, polygons, circles, arcs, and other basic geometric shapes. Allows one to translate, rotate and dilate objects interactively. This is based on CABRI Geometry.
• Performs symbolic manipulation for algebra, calculus, and linear algebra. This feature is based on Derive.
• ``Pretty printing'' of mathematical expressions
• Graphs functions, parametric equations, polar equations, and recursively-defined sequences, and 3-dimensional (3D) surfaces.
• Statistical graphing including scatter, x-y line, and box plots, histograms and regressions lines.
• Extensive programming
• Text editor to enter notes or any other type of text.
• Split screens can be defined for top-bottom or left right splits.
• and many more

You can read more about this at the WEB location http://www.ti.com/calc/docs/92.htm
An on-line demo is available at http://www.ti.com/calc/docs/92demo.htm

In the next sections examples will give you an impression of what is possible with this kind of calculator.