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Casio® FX-115ES Scientific Calculator

Casio® FX-115ES Scientific Calculator: 4.5 stars; ( 103 reviews)

Price:: $18.99; Each

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Item: 616965
Model: FX115ES

18.9910-digit, 2-line natural textbook displayOver 280 built-in math functions including: basic and advanced scientific, exponential and trigonometric, fractions, regression analysis, and moreComplex number calculationsCasio® FX-115ES Scientific Calculatorhttp://s7d5.scene7.com/is/image/Staples/s0108951_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0108951_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0108951/Casio-FX-115ES-Scientific-Calculator/product_616965Casio® FX-115ES Scientific Calculator4.5103

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Customer Reviews
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Supplies & Accessories

Shows formula and results exactly as they appear in the textbook.

10-digit, 2-line natural textbook display
Over 280 built-in math functions including: basic and advanced scientific, exponential and trigonometric, fractions, regression analysis, and more
Complex number calculations
Multi-replay function lets user step back through calculations, edit, and recalculate
1 independant memory and 6 constant memories
40 metric conversions
Slide-on hard case
Solar powered w/battery backup

Suggested Subjects/Courses for FX-115ES:
General math, pre-algebra, algebra I and II, geometry, calculus, statistics, trigonometry, biology, chemistry, and engineering

Exam Acceptance:
AP^*, SAT^* I/II, PSAT/NMSQT^*

^*AP and SAT are registered trademarks of the College Board, which was not involved in the production of and does not endorse this product. PSAT/NMSQT is a registered trademark of both the College Board and National Merit Scholarship Corporation, which was not involved in the production of and does not endorse this product.

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REVIEW SNAPSHOT®

by PowerReviews

Casio® FX-115ES Scientific Calculator

4.3

(based on 103 reviews)

90%

of respondents would recommend this to a friend.

Pros

Adequate capabilities (80)
Clear display (75)
Easy to use (62)
Attractive (56)
Compact (52)

Cons

Difficult to use (15)
Heavy / bulky (9)
Inadequate capabilities (5)
Unattractive design (5)
Short battery life (3)

Best Uses

Math classes (80)
School (59)
Science classes (44)
Engineering (33)
Office work (25)

- Reviewer Profile:
- Casual user (50), Enthusiast (24), Power user (23)
- Primary use:
- Personal (81), Business (19)
- Was this a gift?:
- No (40)

Most Liked Positive Review

Great calculator

I am a Computer Science student and use this calculator in Linear Algebra, Discreet Math, Calculus (not as good as a graphing calculator for calc), and Number Systems (does conversions between base 16, 10, 8, and 2). It was particularly useful in Linear Algebra for all of its mtrix operations, and equation solver. What I like most about it is the "natural textbook display" that lets me set up equations the same way that I do on paper and that helps me eliminate careless errors with parentheses that I would normally use on my graphing calculator. My only complaint is after I set up an equation and I want to go back and edit it, the "left" and "right" buttons move the cursor slowly. However, it is an AMAZING calculator, especially for the price.

Most Liked Negative Review

Poor Dot Matrix Display

I have used Casio calculators for many years and prefer them over TI and HP. I gave this one 3 stars because the display is not easily readable in a desk top lighting situation. ...Read complete review

I have used Casio calculators for many years and prefer them over TI and HP. I gave this one 3 stars because the display is not easily readable in a desk top lighting situation. Get it away from the light even 10" and you either can not read the display or you will struggle.
They used a similar display on their first graphing calculator many years ago (own it) and it had the same poor qualities. I am at a loss to understand why they used it again.
Still, I would recommend it for anyone doing science (I use it for chemistry), math or even computer software (hex, octal, etc., conversions).
It has features I have not learned how to use that I'm sure I will find useful, like a table of scientific constants.

REVIEWS

Reviewed by 103 customers

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Displaying reviews 1-6

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7/30/2008

(16 of 16 customers found this review helpful)

5.0

Great calculator

By Max

from Los Angeles, California

About Me Gearhead, Tech Savvy

Pros

Adequate Capabilities
Attractive Design
Clear Display
Compact Size
Easy To Use
Long Battery Life
Quality Construction

Cons

Processor a bit slow
Slow scrolling

Best Uses

Math Classes
School
Science Classes

Comments about Casio® FX-115ES Scientific Calculator:

Comment on this review

1/29/2010

(4 of 4 customers found this review helpful)

5.0

THIS CALCULATOR DOES DO ALL SQUARE ROOTS

By Parrot Head

from Akron, OH

About Me Casual User

Pros

Adequate Capabilities
Attractive Design
Clear Display
Compact Size
Quality Construction

Cons

Best Uses

Engineering
Math Classes
Office Work
School
Science Classes

Comments about Casio® FX-115ES Scientific Calculator:

Im writing this review in response to a review that I read before I bought it......I almost didnt buy this because some people said it will not do the sq. root of 2, it just displays what you typed in. Well, it infact does do all sq.roots. Those people were right to some extent, if you type in the sq.root of 2, it will display what you typed in because there is no exact sq.rt. of 2. This gives the illusion that the calculator is wrong. However, if you then press the button just above the red "DEL" button, the one with the "S~D" on it it will display 1.414213562, which is the answer you are looking for. This calculator WILL DO everything you need it to do! My two choises were between this model and one from TexInst., Im glad I went with my gut feeling and bought this one. This calc. has BOTH solar and battery at the same time, the TexInst. model only had solar, and many reviewers said there was an issue when they were in a dimmly lit classroom etc. With the Casio, you will never have to worry about that! Now, the instructions are in the form of a big fold out piece of paper and could be a little more user friendly, but nothing is perfect; right? Overall, this is an awsome calculator and will do everything a calc. should do, and in my oppinion you cant go wrong buying it.

Comment on this review

9/1/2010

(2 of 2 customers found this review helpful)

5.0

Inexpensive with great functions

By Nerethel

from Jefferson City, MO

About Me Casual User

Pros

Adequate Capabilities
Clear Display

Cons

Best Uses

Math Classes

Comments about Casio® FX-115ES Scientific Calculator:

This is one of the only calculators that actually performs calculus functions. This is the only calculator I have found under $30 that has them.

For the low price, I don't need graphing!

Comment on this review

8/11/2009

(2 of 2 customers found this review helpful)

5.0

I purchased this item for my 7th grader.

By Ms Alvalanche

from Chandler,Az.

About Me Power User

Pros

Adequate Capabilities
Attractive Design
Clear Display
Compact Size
Easy To Use
Long Battery Life
Quality Construction

Cons

Best Uses

Math Classes
School
Science Classes

Comments about Casio® FX-115ES Scientific Calculator:

I purchased this item for my granddaughter for her 7th grade math class.She uses it everyday,and is very happy with this item. I,myself,has never used one. But it's doing what my child need it for,and that's what matters with me.

Comment on this review

10/2/2008

(2 of 2 customers found this review helpful)

5.0

Amazing Calculator

By J.N.

from MI

About Me Casual User

Pros

Adequate Capabilities
Attractive Design
Clear Display
Compact Size
Easy To Use
Long Battery Life
Quality Construction

Cons

Best Uses

Math Classes
School
Science Classes

Comments about Casio® FX-115ES Scientific Calculator:

I use this calculator for my high school math classes. The equation solver is very useful. This calculator has many abilities and is very easy to use. I have no negative things to say about this calculator.