Summary: Cheap but wonderful. However, I give it 4 star because it doesn't support multi-type. Maybe you will think this point is cray, but when you really using the calculator and type really fast, some times you type next button with the previous one still pressed down.
Summary: I taught high school math for 13 years and this was the calculator I recommended for students up through trig. Very often, graphing calculators do so much that students don't learn math; they just learn how to punch buttons.
Summary: Excellent choice if you don't need a complete set of engineering and statistical or complex scientific functions. You don't have to hunt and drill down 2 levels to find the simple Pi symbol or the square root and the more common functions. Can't beat the price as well..
Summary: I'm a senior engineering student and use a calculator every day. My peers have every calculator you could imagine, and it seems like like I've played with them all. I've been using the TI89 for the past 6 years now. I need a non programmable calc for the Fundamentals of Engineering Exam...