Texas Instruments TI-30X IIS 2-Line Scientific Calculator - Orange

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Price: $16.49 $13.16   

Product Feature

• Calculator
• Orange Color
• Model: 30XIIS/TBL/1L1/AW

Product Description

TI30XIIS Orange

Texas Instruments TI-30X IIS 2-Line Scientific Calculator - Orange Review

This is probably the best calculator for middle to high school kids. I got mine in seventh grade and it was all I needed until calculus. In fact, we weren't even allowed to use graphing calculators until pre-calc. I held off getting one until calculus, though, because my TI-30XIIS did everything i needed it to and was so easy to use.

The best thing:

-you can enter entire expressions and solve them. this is because, unlike earlier models, functions like sine, cosine, tangent, square root, etc. are entered before the number. for example, with other models you would punch in 45 and hit tan, and it would automatically give you the answer 1. With the 30XIIS, however, you press tan, then 1, then enter. It seems like a disadvantage at first, but when you are doing more complicated math and need to enter a whole line of info, it's a huge time-saver.

Other good things:

-You can go back and substitute other numbers into your expression. This is great when you are doing guess-and-check work, but it was most useful in chemistry and physics, when I had to use the same formula with a lot of different values. I was really bummed to discover the graphing calculators didn't have the ability to go back to an expression you've already solved.

-The buttons are arranged really logically. There were about three buttons grouped together up in the corner that I never used (I think they're maybe for statistics), but they were totally out of the way. When you're doing trig, all the buttons you need are near each other. Same with logs and everything else. After using this calculator for a while, you can key things in so fast. Hitting 2nd [ans] is like a reflex now.

Bad things:

-The buttons were a little loose after about my third year with my TI-30XIIS. this didn't cause any problems with how it worked (at least in the next two years), but the buttons were sort of crooked in their slots. Again, only an aesthetic issue. This didn't affect the performance at all.

-Sometimes, if you don't hit clear before you start your expression, it will use your last answer as the first number in your new equation. This isn't much of a problem, b/c it only happens due to operator error, and hitting clear becomes reflexive. It'll happen to you, I promise. Honestly, if you looked around during a test when i was in algebra II, you would see at least one person unconsciously mashing the clear button. which also attests to the durability of this calculator.

So, that is the TI-30XIIS from the perspective of a high school student. basically, it is the best calculator i've ever owned, far superior in basic math to my TI-84+. And it's incredibly cheap. Calculating just doesn't get any better than this.

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