- Large and easy to read 8-line by 16-character display
- Graphs up to 4 functions and 3 parametric equations
- Easy-to-use display menus with advanced functions
- 2.4K byte memory stores up to 37 programs
- Easy-to-use keyboard layout; protective slide case
The Texas Instruments TI-81 is a 16-digit graphic calculator, featuring simple menu displays to aid in fast use of advanced functions. The calculator is compact and can be easily slipped into a backpack pocket. The gently rounded corners on the Texas Instruments TI-81 make it easy to hold and carry. This Texas Instruments graphic calculator can save up to 37 programs in memory for later use. With a clear keyboard layout and an 8-line by 16-character display, this graphic calculator makes calculating complex problems easier. Color coded and sectioned keys ensure fast searching of functions and buttons. Users can quickly locate keys for editing, graphing, scientific calculations, and advanced function usage. The Texas Instruments TI-81 can graph four functions at once, making complex equations easier to tackle. This Texas Instruments graphic calculator can save multiple calculations for later use. A protective slide case is also available for this 16-digit graphic calculator to keep the keyboard clean.