Casio FX-115ES Advanced Scientific Calculator with 2-Line Natural Textbook Display

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Casio Adv. Scientific Calc
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Technical Details

- 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 permitted on AP, SAT and PSAT/NMSQT
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 "Great Calculator" 2010-02-12
By J. Woodside (TN)
This calculator is very effective and performs alot of very useful calculations including; matrices, vector calculations, definiete integrals, statistcs-standard deviation and normal distribution. It also has a number of conversions including fractions, unit conversions. I highly recommend it for any high school or college student needing a calculator for a test when graphing calculators are not allowed, this one is the next best option. Not to mention the fact that it is under $20 and completely outperforms the TI30XIIS. Definitely a buy.

 "Recent covert" 2010-01-29
By T. Jordan (TX)
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" 2010-01-03
By R. Altman (Syracuse, NY)
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" 2009-11-22
By James J. Coffey (San Francisco, CA USA)
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" 2009-10-12
By Cran D. Cowan (here)
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.


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Texas Instruments TI-84 Plus Graphing Calculator

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So after all the scores have been tabulated, the regression analysis demonstrates. can this be right? For complex math and statistics, the Texas Instruments 94 Plus calculator can display answers in the form of graphs. It is essential for any math/science student eager to learn and ace all classes. An enhanced version of the TI-84 Plus graphic calculator, the new TI-84 Plus offers a built-in USB port, 3x the memory of the previous version, many preloaded Apps, an improved display, and more! Because the new TI-84 Plus is 100% keystroke-for-keystroke compatible with the TI-84 Plus, integrating it into your classroom will be easy! This new version allows students to share their work by connecting their TI-84 Plus to any TI presentation tools for the whole class to see, fostering a collaborative learning environment. Plus, a built-in USB port makes data transfer to your computer and between hand helds easier than ever. High-contrast display
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Technical Details

- Graphing calculator handles calculus, engineering, trigonometric, and financial functions
- USB on-the-go technology for file sharing with other calculators and connecting to PCs
- 11 apps preloaded
- Displays graphs and tables on split screen to trace graph while scrolling through table values
- Backed by 1-year warranty
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 "Arrive on date-Condition as described" 2010-02-18
By Tran Viet (Tarrytown,NY)
I would say that the arriving date of my calculator is quite on time if not earlier by 1-2 days. The conditions are acceptable without cords,etc...In overall , it is a good deal that i managed to get

 "M. Luke Allison's Review" 2010-02-06
By M. Luke Allison (Dallas, Texas)
A+++++++++++++++++++++++++++ Seller and the item shipped REALLY FAST!



I definitely recommend buying from this seller!

 "A Handful" 2010-01-23
By Christopher B. D. Aamot (Boulder, CO USA)
Does more than you will ever use it for. Buy this and you will never need another calculator again.

 "High School Staple" 2009-12-21
By R. Vargas
After using a TI-89, my son requested the TI-84. It is user friendly and a good all around calculator that my son can take to college.

 "Very expensive for the lack quality and complicated to use." 2009-12-15
By Mahlers2nd
I will admit up front that I am an HP RPN snob -- I'm 46 years old and have been using RPN since I was a college student. So using ANY algebraic calculator is a bit of a challenge for me.



That said, this calculator is required by nearly every student from 8th grade through college level classes and so I reluctantly plunked down the money and bought one of these for my son. I hate it and I personally won't use it. IF I have to use something that requires algebraic mode I use the HP 35s Scientific Calculator and this review is primarily in contrast to the HP 35S (it would be unfair to compare it to my trusty HP 15Cs since those long went the way of the dodo bird).



The TI is much heavier and bulkier than the HP 35-S. However, being made completely of cheap plastic and not having its own protective case, it is going to get clobbered in my son's backpack -- which usually weighs a good 20 pounds on any given day. But he has to have it so what alternative does he have...



The keys are noisy and spongy compared to the HP (which has a nice soft and crisp "tick" sound).



I have a blue calculator (my son likes blue) and many of the labels are a lighter shade of blue printed on blue plastic -- what human factors genius came up with *that* one. You spend 5 minutes trying to read the button labels just trying to find the function you want.



The TI is lacking many of the native "math" functions which make the HP so attractive. If you are doing statistics, doing permuations and combinations on the HP is a built in function. You can program them on the TI but that takes time and another level of skill that most students won't have.



And while Algebraic calculators usually have the advantage of having the more intuitive "=" sign, this calculator doesn't even have that going for it -- you have to hit just like an RPN calculator. If you want to have an algebraic mode calculator, great. But why make it as counter intuitive as an RPN calculator?



The HP 35S, which does so much more from a functional standpoint, can operate in both RPN and Algebraic mode so you, in essence, get 2 calculators in one and much more flexibility.



The upshot: If you have a kid in school, you probably will have to buy one of these. The schools don't really give you a choice. However, if you are buying this for yourself and want a calculator that is going to last awhile and do what you really need it to do, go for the HP 35S



[NCJAR]


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Texas Instruments TI-30X IIS 2-Line Scientific Calculator

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New 2-line display. Dual power:solor and battery. View entry abd results at the same time. Edit current entry. Edit and view previous entries. Menus with functions and mode settings. Five variable memories. One and two variable statistics, results, for linear tegression, trendline. Fractions and fraction/decimal conversions. Trigonometric functions in degrees and radians.
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Technical Details

- Robust, professional-grade scientific calculator
- 2-line display shows entry and calculated result at same time
- Easily handles 1 and 2 variable statistical calculations
- Three angle modes (degrees, radians, and grads) and scientific and engineering notation modes
- 1-year limited warranty
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 "Good calculator at a reasonable price." 2010-02-15
By Stephen W. Cawley
I bought 2 of these-one for my 9th grade daughter (Algebra) & one for my 7th grade son (Pre-Algebra). Looks like it'll work for them through Geometry & probably Trigonometry. After that they might need a TI-83 for the graphing capabilities, but given the cost of that & the greater than likely probability of one of them losing or destroying the calculator before then, I figured this was the better option for now. This is definitely a good calculator at a good price.

 "Just what I needed!" 2010-02-12
By Jessica M. Drogowski (MI, USA)
This calculator is exactly what I needed for my classes, and it is also very easy to use and an exceptional calculator for its cost. The computational capabilities are also fairly extensive for such a low priced item.

 "Great Calculator." 2009-12-24
By A. Boghosian (Los Angeles, CA USA)
My professor has the same one, the Texas Instruments TI-30X IIS 2-Line Scientific Calculator is a great calculator and very easy to use. Oh and the price is great! Other calculators go up to $80 or $90, but the Texas Instruments TI-30X IIS 2-Line Scientific Calculator is a steal almost. I highly recomend this calculator for any math student in high school or college.

 "thanks for the prompt service" 2009-12-21
By Wachovia G. CAR (Amherst, Massachusetts, US)
thank you for your prompt service, but the calculator is a little different from what I expected.

 "The "TI-30x"" 2009-12-13
By Rebecca B. Schaffer
I purchased this on the recommendation of my instructor, because she said that it was simpler to use than the "TI-83/TI-89", N O T! As I write this it sits on a shelf collecting dust - will probably put it in a yard sale - with the new batteries.


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Innovera 16015 2 Color Printing Calculator, 12-Digit LCD (IVR16015) Category: Printing Calculators

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Item #: IVR16015. Lines/Second Speed1.7 Display12-Digit, LCD Digit Size12mm Time/Date Feature Size6w x 8-1/4d RollerNUKNR40 (sold separately) Roll PaperUNV35720 (sold separately)
Customers also search for: 2-Color Printing Calculator;Calculator;INNOVERA, 686024160151
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Technical Details

- Sold Individually
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Nu-Kote NR42 Compatible Ink Roller for Canon/Casio/Victor/Sharp/Innovera Calculators (Black/Red)

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Scientifically tested in a lab setting. Includes both a black and a red ink roller. Created by an in-house team of industry-leading chemists. Device Types: Calculator; Color(s): Black; Red; OEM/Compatible: Compatible; GL08 Old Page: 473.
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Technical Details

- Scientifically tested in a lab setting.
- Includes both a black and a red ink roller.
- Created by an in-house team of industry-leading chemists.
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 "Inkjet refill review" 2009-08-31
By Janice Kane (southern Georgia)
I had a very difficult time finding a refill for my adding machine/calculator. After searching on-line, I located this one. Did the trick but the ink is a little smeary at first.

JK

 "discontinued item" 2009-08-24
By Nancee van Deusen
I tried several .com's that advertised the ink roller.I would order, buy and have it confirmed.I would wait weeks, and nothing.Then I would call and they would tell me the product was unavailable, and would credit the account.I finally used Office Planet, they again let me order, but informed me the next day that Nukote was not suppling their roller,but suggested one that was comprable.Got the package in a few days and all is well.Perhaps you should check Nukote and suggest an update on products.True, my calculator is old, but still works great.

 "I got what I expected." 2009-07-11
By High Desert Graphics
This item was out of stock at Office Depot's web site and other office supply stories. Got exactly what I was expecting in a timely manor.

 "Works well even in old calculators" 2008-04-06
By ronna (West Warwick RI USA)
I have a pretty old Texas Instruments calculator that I use in my home office. These ink rollers work just fine & they were half the price of the ones in my local office store.


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INNOVERA Gel Keyboard Wrist Rest, Purple

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Soft gel provides cushioned comfort while performing computer functions. Stain- and water-resistant surface is easy to clean. Gel helps displace pressure points and maintain a neutral wrist position. Nonslip rubber backing keeps pad in place. Global Product Type: Mouse Pads & Wrist Rests-Keyboard Wrist Rest; Ergonomic: Yes; Wrist Filling Material: Gel; Mouse Pad/Wrist Rest Type: Keyboard Wrist Rest.
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Technical Details

- Sold As: Each
- Purple
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 "Really help the wirsts" 2009-12-09
By Adrian M. Kallio (Benton City, WA USA)
This gel pad works does what it is suppose to do, support your wirst. I use it daily at work and really enjoy typing, not. lol

 "Nice Wrist Rest" 2009-02-01
By Sstiles (Oklahoma)
This wrist rest is very nice. I like it more than the usual available ones in the store because you have the ability to wash it off. The gel makes it conform to your wrist but does not sink in.


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INNOVERA Gel Mouse Pad with Wrist Rest, Nonskid Base, 8-1/4 x 9-5/8, Purple

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Soft gel provides cushioned comfort while performing computer functions. Stain- and water-resistant surface is easy to clean. Gel helps displace pressure points and maintain a neutral wrist position. Nonslip rubber backing keeps pad in place. Mouse pad offers superior tracking. Global Product Type: Mouse Pads & Wrist Rests-Mouse Pad Wrist Rest; Ergonomic: No; Wrist Filling Material: Gel; Mouse Pad/Wrist Rest Type: Mouse Pad Wrist Rest.
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Technical Details

- Sold As: Each
- Purple
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 "nice" 2010-01-26
By hospice nurse
just like it looks. just wish it was a tad bit longer to accomodate my mouse better. does what it says it would do. support the wrist. it has a sort of cling thing going on ... sticks sort of to my glass top of my desk..but that is a good thing. didnt /doesnt leave any residue or anything on it. keeps the pad in place when i work with the mouse. my bf ended up taking my unit when he bought me a UCLA mouse pad for my computer.. but he likes the unit too.

 "Gel mouse pad/wrist guard" 2009-12-09
By Adrian M. Kallio (Benton City, WA USA)
Works does what it is suppose to do. My mouse doesn't stick or cause any problems and really supports the wrist.


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