A new aspect of the TI-86 is the ability to customize product functionality with machine language programs downloaded from TI's Web site. You can also view multiple lists and attach formulas to those lists for automatic computations. The TI-86 runs with programs designed for the TI-85 and includes all the same matrix features, but with a new matrix editor that allows the user to view and edit matrices in two dimensions.
There's also a new function evaluation table which shows numeric output for function, polar, parametric, and differential equation modes. In addition, the TI-86 boasts 96 KB of user-available memory-three times more than the TI-85. The TI-86 includes a function evaluation table, deep entry recall, seven different graph styles with multiple line and shading options, and slope and direction fields for differential equations. Designed with power users in mind, the TI-86 graphing calculator has all the power and functionality of the popular TI-85 but with significant enhancements aimed at students of college mathematics, engineering, and science.
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