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Texas Instruments TI-81 Graphing Calculator
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ShareTexas Instruments TI-81 Graphing Calculator
Users say:
The TI-81 is a great calculator for basic and intro to algebra, with a clear screen and easy to use keypad. It is also great for more advanced functions, such as expanded stats/chemistry/etc functions. It is of good quality and comes with everything, but sometimes the display can be hard to see.
Texas Instruments TI-81 Graphing Calculator - Used Item IN STOCK and in good condition. All items have been previously used, but have been fully tested and include a 90 day exchange warranty. Items ship with all needed software and accessories. Since this is a used Item, it may show some minor signs of use but should not affect performance. Manuals can be downloaded below. Product Details - 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 sc…
Texas Instruments TI-81 Graphing Calculator - Used Item IN STOCK and in good condition. All items have been previously used, but have been fully tested and include a 90 day exchange warranty. Items ship with all needed software and accessories. Since this is a used Item, it may show some minor signs of use but should not affect performance. Manuals can be downloaded below. Product Details - 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 16-character display Defines, saves, and graphs up to four functions and three parametric equations Enter, save, and manipulate up to three 6x6 matrices Advanced functions accessed through easy-to-use display menus One- and two-variable list-based statistics Saves up to 37 programs in its 2.4K bytes of memory Slide case included
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Review summary
AI-generated content
The TI-81 is a great calculator for basic and intro to algebra, with a clear screen and easy to use keypad. It is also great for more advanced functions, such as expanded stats/chemistry/etc functions. It is of good quality and comes with everything, but sometimes the display can be hard to see.
Pros
- Easy to use
- Clear screen
- Good for basic and intermediate algebra
- Simple and straight forward
- Affordable price
Cons
- Screen can be hard to see
- Sometimes won't turn on
- Potential for screen damage
Read original reviews
Description
Texas Instruments TI-81 Graphing Calculator - Used Item IN STOCK and in good condition. All items have been previously used, but have been fully tested and include a 90 day exchange warranty. Items ship with all needed software and accessories. Since this is a used Item, it may show some minor signs of use but should not affect performance. Manuals can be downloaded below. Product Details - 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 16-character display Defines, saves, and graphs up to four functions and three parametric equations Enter, save, and manipulate up to three 6x6 matrices Advanced functions accessed through easy-to-use display menus One- and two-variable list-based statistics Saves up to 37 programs in its 2.4K bytes of memory Slide case included
Specifications
| Warranty | 90 day exchange warranty |
| Display | Graphing calculator |
| Features | Keys divided into four zones; up to 4 functions and 3 parametric equations, up to 3 6x6 matrices, up to 37 programs in 2.4K bytes of memory |
| Type | Used Item |
| Model | TI-81 |
| Brand | Texas Instruments |
| Display Size | 8-line by 16-character |
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