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.
Recent covert ^ I am a die-hard TI 35 guy, from my Navy schools, which strongly recommended them. This Casio is MUCH easier to understand, I love the display method, which mirrors the way our College computer classes display and expect math input. It's my GO TO calculator. I am glad I risked it / bought this one.
Good Calculator for the FE Exam ^ The FE Exam allows you to use three specific types of calculators. Comparing all of the calculators I deducted that this calculator was the best because it has the most available functions in addition to unit conversions; which some of the others don't offer. For a starter/test scientific calculator I don't think you can get more functions with this unless you buy a TI-89 (which I have and is the best calculator I've had so far).
PRO's: (1.) Lot's of functions including: integration, fraction to decimal, deg to rad, base conversions, factorials, summations, constants, variables, matrices, vectors, complex numbers and variable solver. (2.) Two Way Power including a battery and solar. Good to have solar especially if you're in a long test. (3.) Can recall previous calculations by pressing the "replay" button. (4.) Relatively inexpensive for what you're getting ($18 at Target) (5.) Keys are big and easy to see.
CON's: (1.) The manual has no table of contents and isn't in alphabetical order, so it can be difficult to find out how to do something even basic. (2.) There are no commas given in the answers so either you have to keep it in scientific notation or get ready to count.
Overall, I think it is a good investment for basic math needs but would definitely recommend buying something with graphing/programming capabilities (such as a TI-89) for the more advanced user.
DOES THE JOB AT A GOOD PRICE ^ J'ai acheté cette calculatrice pour mon fils à l'école. Il semble faire un très bon travail à un prix raisonnable.
fx-115es worth the price ^ The new integration algorithm is much better than in previous models. That alone made it worth the purchase price. The intuitive algebraic numeric display is very nice.
The one feature I wish were included would be the capacity to store entered equations and functions as well as variables.
Great price for the functions ^ I can't say that I love the appearance of this calculator. However, the price of this CASIO calculator was just overwhelming. I strongly recommend this one if your interest is in complex number calculating, just like me. This one is amazing.
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