Casio FX-115ES

Pros: Amazingly versatile and powerful for an inexpensive non-programmable calculator.

Cons: The matrix and vector modes should be able to handle larger matrices and vectors.

The Bottom Line: Probably the best non-programmable calculator available in 2008. Excellent backup calculator for when programmables aren't allowed.

Review: I wanted to have a good non-graphing calculator, either non-programmable or minimally so, to supplement my TI-89 Titanium, in case a teacher had a problem with such things. I wasn't sure which non-graphing, scientific calculator was the best, so I bought ...

Pros: 90% of graphing calculator functionality Dual power

Cons: Slightly steep learning curve

The Bottom Line: Highly recommended to those who want graphing-calculator functionality from a scientific calculator

Review: This calculator is marketed as a scientific calculator, but it differs from most such calculators in its innovative display. It features what Casio calls the "Natural Textbook Display", which in Layman's terms is HALF of a TI-83+ graphing calculator's ...