Casio FX-115ES Advanced Scientific Calculator with 2-Line Natural Textbook Display | 
| Brand: Casio
Department: Office Equipment & Equipment Supplies
List Price: $20.99
Buy New: $10.25
You Save: $10.74 (51%)
Rating:  88 reviews
Color: Silver
Media: Electronics
Autographed: No
Memorabilia: No
Number Of Items: 1
Batteries Included: Yes
Battery: 1 Lithium Button Cell
Shipping Weight (lbs): 2
Dimensions (in): 9.4 x 6.1 x 1.5
MPN: FX-115ES-S-IH
Model: FX-115ES-S-IH
UPC: 100000003688
EAN: 0079767171131
Availability: Usually ships in 1-2 business days
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| Features:
| • | 279 functions, including 40 metric conversions | | • | 2-line, 12-digit Natural Textbook display | | • | Solar Plus power with battery back-up | | • | Slide-off protective hard case | | • | Currently allowed on AP, SAT, PSAT, NMSQT, and all NCEES examinations. |
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| Editorial Reviews:
Product Description
Casio Adv. Scientific Calc
Amazon.com Product Description
The Casio FX-115ES Advanced Scientific Calculator features over 279 functions and provides its user with everything they need for most mathematical calculations. The calculator's functions include complex number calculations, matrix and vector calculations, statistics, and 40 metric conversions. Its standout feature is its 2-line natural textbook display that displays fractions, formulas, square roots and other expressions as they would in your textbook. It is extremely versatile, and can be used in courses ranging from basic pre-algebra to calculus, and also has applications in physics, engineering, biology and statistics. What's in the Box
FX-115ES scientific calculator, slide-on hard case, instruction manual, and quick reference guide.
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| Customer Reviews:
Showing reviews 1-5 of 88
 Almost the perfect calculator! July 3, 2010
The.Saint
I think this is really one of the best calculators in the world. Infact as an engineer I prefer this too Ti-89s etc. Its way better than Texas Instruments calculators that are so common. If you get really good with this, it will make you nearly twice as efficient than your counterparts.
Im forgetting what other things casio could probably add as useful functions to the calculator. Also just be forewarned that some of the functions that use the newton's method to calculate stuff can be notoriously wrong. However this is not the calculators fault, rather its the intracrasies of doing it in a calculator instead. Any other calculator might give you the same troubles too.
All in all this is one calculator that is most useful, yet legal enough to be allowed in LSATs/SATs etc. etc. and other engineering exams and courses.
Get this and you won't regret it. Don't waste your time with other calculators.
Couldn't live without it! June 14, 2010
Brie (USA)
I bought this calculator in 9th grade for Geometry and it wasn't really a huge help. It had cos, sin, tan, and all that stuff, but it wasn't anything special or anything. Geometry was mostly just memorizing the rules.
However, 10th grade came along with Algebra 2 and this calculator helped immensely.
I love the 2 line format and how it types out like how you would write in down on paper. It's really easy to go back and look for silly mistakes, like +/-.
A great calculator that makes fractions in fractions so much easier.
Like it better than my TI84 April 29, 2010
Brian Bussey (Kwajalein Atoll, Marhsall Islands)
1 out of 1 found this review helpful
For the cost and it's Natural Textbook display you can't beat this calculator. Yes the TI84 does more but everything on the TI84 is buried and a pain to get to. To get the natural textbook display for the TI84, I had to go through the hassle of downloading the newest OS and even then you don't get the look and it's not automatic. Square roots on the FX115ES are GREAT! TI84 SUCK! The cassio has the SD (I guess stands for switch display) button that the TI84 doesn't even have. OK if you're into the higher level maths then you don't need the text book display but for us common folk, it sure is nice. So if you are taking a lower level math class and don't need to "Graph" then buy this calculator. You'll save yourself about $90.
powerful, useful, smart April 18, 2010
Wang Weijia
powerful, useful, smart
but if you need to take some national exam, with special requirement of calculator, do check first before buy it
I love this calculator April 10, 2010
Miss Crowley
2 out of 2 found this review helpful
I'm taking college algebra right now, which this calculator is perfect for. I purchased this model for the versatility it offers; since I will be taking statistics next semester I needed something that I could also potentially use for that. According to Casio's website this calculator has been suggested for the following courses : General Math, Calculus, Pre-Algebra, Biology, Algebra I and II, Chemistry, Geometry, Physics, Trigonometry, Engineering and Statistics.
Concerning calculator use, I especially love the customizable logarithm button, which allows you to punch in bases other than the default 10 depending on what you're doing (of course the default log button is still present, it just has an added one for custom logs eliminating the need for the change of base formula). I also really like the fact that the screen shows everything you have entered before you compute the answer, allowing you to go back and edit the equation if you discover you have made an input error (a feature which my last scientific calculator did not have).
Overall a great calculator and definitely worth the money.
Showing reviews 1-5 of 88
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