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Texas Instruments TI-81 Graphing Calculator
From the Manufacturer Designed for ease of use, the keys of the TI-81 are grouped by color and physical layout to allow easy location of the key you need. The keys are divided into four zones graphing keys, editing keys, advanced function keys, and scientific calculator keys. Features 8-line by display 8-line by display Defines, saves, and graphs up to four functions and three parametric equations Defines, saves, and graphs up to four functions and three parametric equations Enter, save, and manipulate up to three 6x6 matrices Enter, save, and manipulate up to three 6x6 matrices Advanced functions accessed through easy-to-use display menus Advanced functions accessed through easy-to-use display menus One- and two-variable list-based statistics

Price is $80.00
Price: $79.99