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TI-81 Graphing Calculator USA - 1990 Scientific, Programmable Graphic |
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"First graphics calculator
developed for math education that adds a new visual
dimension to mathematics instruction; makes it easier to
explore functions and understand concepts. Large display
has pull-down menus; TI-81 can define, save and graph
four functions or three parametric expressions; enter,
edit and manipulate three 6 x 6 matrices. Seven built-in
zoom features; 4,632 bytes of memory (2,400 bytes
reserved for programs. A single keystroke plots selected
functions in the viewing rectangle. Performs graphic and
numeric analyses of one and two-variable data. SRP
$110.00." |
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Content and photo provided by Texas
Instruments, and published with the permission of Texas Instruments Incorporated. |