Editorial Product Review:Item Description:The EL-506WBBK performs over 469 advanced scientific functions with a 12-Digit (or 10 digit and 2 exponent) 2-line LCD screen and Multi-Line Playback to make scientific equations easier for students to solve. It is ideal for students studying general math, algebra, geometry, trigonometry, and calculus. In addition, it can be used for statistics, biology, chemistry, and physics. 1 and 2 Variable Statistics including Standard Deviation and Regression Analysis functions (6 Regression types) Random numbers Sin, Cos, Tan, and Inverse Hyperbolic Function and Inverse Deg/Rad/Grad Mode DRG Conversion Includes protective cover
Product Availability: Usually ships in 1 to 2 months
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Buyer Reviews
Average Buyer Rating:
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nice
this scientific calculator is top of the line. it has solar and battery power (very convenient feature). this things does everything you should expect from a scientific calculator and is at good value price. if you think you need more, get a graphing calculator.
Customer Rating: -
Excellent calculator, especially for the price
This is an excellent calculator, particularly for engineering functions that require polar-rectangular conversions, where it solidly trounces even the TI-89 Titanium for convenience. Its two-line display is not as nice as the TI's larger screen, of course, but works really well, allowing you to enter complex calculations and edit them as needed, even remembering your previous calculations.
The calculator has solar cell, so power is not an issue. With its plastic cover, it has been very durable over the last year and a half of being tossed into a backpack and used in all sorts of locations and situations. And at around $15 it's truly a bargain. It was recommended to the class by an engineering professor and I've used it college classes ever since; I bought another for my teen-ager to use in high-school math classes.
The only thing close to a downside is that the "manual" consists of a fold-out poster of small-print explanations for various functions -- not comprehensive and occasionally incomprehensible. However, most of the calculator's functions are quite straight-forward, so this is a fairly trivial issue.
I highly recommend this little gem of a calculator. What it does, it does well, and gives minimal fuss during the process.
Customer Rating: 
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Add good functionality, delete some of handy ones
This is a marvelous instrument. However, having gotten used to the model one step down (the EL -531W), I sure do miss the direct square root and direct Pi button. Now I have to use the 2nd function key to access these continuously use functions. Surely they could have sacrificed direct access to DRG or hyp instead.
Customer Rating: -
Calculator
It worked great while I had it, my daughter destroyed it within a week of having the calculator.
