This is a fantastic calculator. Does most common engineering calculation including transcendental functions, logs, powers, roots and more. I remember growing up, I had a heck of time understanding fractions and figuring out Least Common denominators, etc. I woke up early the morning of the test and my mother came to my rescue and taught me and I never looked back. Many people have problem with fractions and it is because it is not taught properly. Take heart if you are one of these challenged persons, this little calculator does fractions. I love this little thing. There is a solar version of this as well.
Verified purchase: Yes | Condition: Pre-owned
Unit sold as single line display unit shipped was two line, which is an inferior dot matrix display
Verified purchase: Yes | Condition: New
This is a great calculator. It doesn't need batteries. Even in low light conditions it still works. If there is enough light to see the display, it still functions. The hard cover it has protects it very well. It is not very heavy + will fit easily in your shirt pocket. There is a demonstration instruction with sample entries to show you how to enter specific functions that fits inside the hard cover. It has 2 sides for more examples. It has 3 storage memories. There are quite a few functions available for students or professionals. It even has a reciprocal key which is not on all the calculators I have used " 1/X " .
Verified purchase: Yes | Condition: Pre-owned
It does everything I need it to do, and is a good size for my math student. Sturdy case.
Verified purchase: Yes | Condition: Pre-owned
For a used item it was in excellent condition. It looked like it was brand new. All of the keys worked and the price was excellent. My son is very happy with his calculator!
Verified purchase: Yes | Condition: Pre-owned
These TI-30 variations are some of the best, most useful & reliable calulators out there. Sure - there are Chinese calculators that you can get for $1 or $2 but they are absolute junk. These cost just $5 - $10 and last a lifetime. I've had one for many years and use it weekly (if not daily) and it has never failed. Everything still works on it. It probably deserves 5 stars because it does so many functions for such a cheap price.
It's a simple but well built calculator. I have both, Casio and TI scientific calculators at home. In the low price range, like this one, the TI build quality is definitely better than Casio. I can't say that for the medium or high-end models, they are all good.
Verified purchase: Yes | Condition: New
New in the package, can’t ask for more than that! I have to replace calculators every year, I work in a deaf hard of hearing program and some of them just walk away and some of them just get over used. It’s nice when I can find a good calculator and save money. 
Verified purchase: Yes | Condition: New
I have used the TI-30 as my "Go to" calculator since 1977 when I first entered Electonics Engineering Technology school. The ease of operation, and functionality are great. This version does not have the "fraction entering" capability of the standard TI-30xa, However, I never have used that function in the last 38 years of working in the electronics industry - thus, I do not miss it. Overall, it is the best calculator I have found for everyday technical work. For more complex work, I utilize a computer and a spreadsheet.
Verified purchase: Yes | Condition: Pre-owned
Product is well documented, a great value and easy to use. The product was well packaged and it arrived early.
Verified purchase: Yes | Condition: New
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