Texas Instruments TI-34 II Explorer Plus Scientific Calculator
The TI-34II is a basic, well-priced scientific calculator that should cater to most needs. It has a large body of high reviews and it has a two-line, 10+2 (10 mantissa, 2 exponent) display with up to 88-character support after scrolling! This is a solar model, so you'll need light to use it. It has a clean interface and color-coded, functionally organized keys. Reportedly, it's also very durable. Its aesthetics and durability may suit younger students.