dzachsie's Full Review: Texas Instruments TI-30 XIIS Scientific Calculator
The TI 30X IIS is a basic calculator that is very easy to use yet has many fuctions that are required of middle school or early high school students.
This calculater can do all simple math problems, and can also operate scientific calculations. It has a lot of great features, and for under $20 is a great buy.
It has a scroll button, and built in memory. This enables you to scroll up to problems you have been working on in the last few weeks.
One amazing feature is that it has a double lined display screen. It is great because you can check your math and if nessesary, even go back and edit it. The equation or problem is on the top, and shown below is the answer.
This calculator is fine for most early algebra classes and geometry classes. It lets you write long equations, and since you can use the scroll keys, you can edit an early mistake in your problem without doing the whole thing over. This is a lifesaver.
It has an auto shut off feature, and runs on duel power. It also comes with a sturdy cover that snaps in place on the front of the calculator, to protect it's screen when you arent using it. When you decide you want to use it you can slide off the cover and slip in onto the back.
It has all of your SIN, COS, and TAN buttons for the triangle problems in geometry, and is also very helful in science, with it's scientific notation capibilities. It is an inexpensive versatile calculator that I recommend to anyone with kids in 7th-9th grade.
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