Texas Instruments 1706 SV
Texas Instruments well equipped for home, work or school with a giant SuperView display and dual power.
1) Color-coded keyboard with extra-large, easy-to-use keys.
2) Change sign (+/-) key simplifies entry of negative numbers.
3) Square root key is useful for schoolwork.
4) Solar and battery powered to work anywhere.
5) Protective slide case stores on back when not in use.