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J'ai acheté cette calculatrice pour mon fils à l'école. Il semble faire un très bon travail à un prix raisonnable.Get more detail about Casio FX-115ES Advanced Scientific Calculator with 2-Line Natural Textbook Display.

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Its a good calculator if you actually sit down and try to figure out how to work it for your financial problems. Get more detail about HP 10bII Financial Calculator.

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Ihere isn't much to say. I have been usng these calculators forever, I have lost 3 of them. To me they are the gold standard in financial calculators, plus is nice not to have to learn everything again every time i change calculator.Get more detail about HP 12c Financial Calculator (12C#ABA).

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

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. Get more detail about Texas Instruments TI-30X IIS 2-Line Scientific Calculator.

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This is not good product over all , Time value of money functions are not working properly and It is too old financial calculatorGet more detail about Texas Instruments BA II Plus Financial Calculator.

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A powerful calculator with lots of capability. However, very difficult to use.

Requires a lot of practice and a really good memory to perform even basic operations like complex numbers.Get more detail about HP 50g Graphing Calculator (F2229AA#ABA).

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ABSOLUTELY GREAT! I HAVE USED THE HP 12C FOR ABOUT FIFTEEN YEARS AND NOW THE PLATINUM IS AT LEAST FOUR TO FIVE TIMES FASTER! THIS COMPUTER IS GREAT!! BUY IT!!Get more detail about HP 12C Platinum Financial Calculator.

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The HP 35s is a handsome, functional and versatile calculator that does complex math, yet performs well for day to day basic calculations. The sleek black case with white on black buttons and orange and blue function keys is right on. A large easy to read (and adjust) display combined with good "Enter" button placement and great button feel exude quality. The "undo" function is nice to have. I have preferred rpn mode since I first encountered the original HP 35 and 45 and this new one does not disappoint in ease of use in this mode. A manual that doesn't have to be accessed on line would be nice but once I saved it as a file it works out pretty well. I have an HP 33s but this one is definitely a step up from that at a great price, to boot. Everything old is new (and better) again. Thanks, HP! Get more detail about HP 35s Scientific Calculator.

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I've had experience with the standard BA-II Plus, the HP 12c, and this, the BA-II Plus Professional. Compared to the standard BA-II Plus, this one has a few extra functions which would have been useful if I had had this calculator during my college finance classes, but which now I don't have much use for at work. More than that though, the buttons on this version are far superior to the BA-II Plus. I found the buttons on that calculator far too soft, whereas this has a satisfying click that can be both felt and heard when a button pressed, much like the 12c does. I have notices that if buttons are pressed to quickly/lightly, they may not register, so I would just caution you to watch as you type, or to type slightly more deliberately if you notice a problem.

I also prefer this calculator to the HP 12c I have at work, although I do have far more experience using TI calculators, so I may be biased towards their interface already. That being said, while the RPN on the 12c is very useful for nesting several operations, the chain operations on the BA-II in combination with () buttons work just as well. However, I try to avoid nesting function after function on a calculator with only one display line in either case.

This brings me to my one complaint with the BA-II Plus Professional, as well as every other financial calculator: I want a financial calculator with a multi-line display! TI has recently released the 30XS Multiview, which gives me a scientific calculator with a 4-line display. When TI comes to its senses and does the same for a financial calculator, I'll be singing its praises all around.Get more detail about Texas Instruments BA II Plus Professional Financial Calculator.

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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.Get more detail about Texas Instruments TI-84 Plus Graphing Calculator.

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I received the product that I was looking for at a great price in just a couple of days. It was an easy, very satisfactory transaction!Get more detail about Texas Instruments TI-83 Plus Graphing Calculator.

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This Calc. is made of features that will make virtually any class easier.

It has unit conversion built-in.
Contact List, Planner, Built-in clock, among others.

You can also load a Periodic table of elements, making it even a more versatile tool for that purpose.

If it had rechargeable batteries ,it would be totally perfect.
(the batteries actually last long, haven't changed them from 3 months of daily 6 hour use)Get more detail about Texas Instruments TI-89 Titanium Graphing Calculator.

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I used the HP12C Platinum for about a year. I lost it. Someone recommended the Victor V12. It looks much nicer. The display is huge compared to the HP. The calculator works the same. The wallet is very nice. I can't believe how much better this is than the HP for less price.Get more detail about VCTV12 - Victor V12 10-Digit Financial Calculator.

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OK, so it's a pretty slick leather mouse pad & clock combo. That's handy enough, but it also has a pop-out calculator, which means when I need it, it's right there, and then it's gone till I need it again! Neat work Datexx!!

Don KobesGet more detail about Datexx MouseStation Executive Leather Mouse Pad with Calculator and World Time Clock - 215WTLG.

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the size is 8 in(D), 6.25 in(W) and 1.35 in (H) which is bigger than I thought.Get more detail about HP Standard Handheld Calculator 200 - 2162469.

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I am blown away by this device. I first tried the free download from the Calculated Industries web site. ... It is a full blown version, without any restrictions, but stops working after 30 days. After about day 5 I knew I had to have it. By buying Construction Master Pro, instead of CM IV, you are getting a much better looking unit, with more features, a cover that mounts on the back while in use so as to not get in the way, and you are currently getting a free software version of Pro as well. All of that for only a couple more dollars than the IV version makes it a no brainer.
I am making cabinets, windows, and doors. In all of those, especially the windows, you need to do a lot of calculating in fractions. That makes the math work tedious at best. I was finding common denominators, then adding subtracting, dividing, multiplying, etc. Having to convert all along the way was a major amount of factoring. This calculator thinks in fractions as well as the standard arithmetic format. So you can insert, 8 1/8", and 3 13/64" for example, and it does all of the figuring for you. Convert your answer to board feet for material costs, is only a couple of buttons away. How many yards of concrete do I need to make the footers, no problem. I want to build an arch top doorway, and need to know the total amount of distance of the half circumference. No problem, just put in the rise at the center, and the run across the base, and it gives you every piece of information you could possibly need to know. This is just scratching the surface. This will be a tool that I will use for a long time to come. As I grow accustomed to its many capabilities, I will use it more and more, for a wide array of applications.
Could we call this calculus? It seems like it. When you watch the included CD that comes with the included calculator software version, you will see a video tutorial that explains a lot of the functions. Some are best understood by practitioners of that specific trade, but it makes me want to learn.
How much roofing material do I need? Just put in the pitch, and the floor space, and it calculates the amount of material. How many cubic yards of soil do I need to fill in the hill leading up to a wall? How many yards of concrete do I order for a patio. Determining hip and valley rafters. What is their length, and angle, and where do you put the bird mouth? Everything is calculated, and displayed in some applications as a sub chart with all of the finished answers in the software version. So it is nice to have both. Whether you are at your desk, or in the field, every option is covered.
I highly recommend the Construction Master Pro, I can't remember when I was more excited about a tool. I can't wait to use the calculator in ever expanding roles.
The price here at Amazon was 10 or 20 percent lower than the other sources, or at best the same price as others, and included free shipping. My advice, buy it, and buy it here. I warn you though that if you download the free trial version, you will be hooked after using it only a few times. Hope this helps.Get more detail about Calculated Industries 4060 Construction Master Pro.

Canon DK100i USB Calculator (9722A001AA) Review

Maybe I work with a bunch of nerds, but everyone I have showed this calculator to thinks it's the coolest thing. (Granted they do mostly work in accounting).
This is a great office tool and it's a wonder it has not be done before. I bought this because my wireless keyboard stopped working for a while and I needed a 10 key keypad for my laptop. This did the trick and even more. I use it all the time and the "Send" function is brilliant when used in conjunction with Excel. I have even used it to take down a phone number and send it to TextPad. Get more detail about Canon DK100i USB Calculator (9722A001AA).

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Inexpensive and just the right size; display and buttons large enough for my "barely over 40" eyes, but still small enough to be handy.Get more detail about Aurora HC128 Dual Power Slide Case Style 8 Digit Hardcase Calculator.

Shop For 12-Digit Heavy-Duty Print Calculator with Fluorescent Display (CNMCP1213DII)

We use these at work - at our CPA office. They are fast and sturdy. Great for commercial, high use purposes. Only drawback is the size. They are large and clunky for transporting when we go to a clients office. Otherwise I'd give it 5 stars.Get more detail about 12-Digit Heavy-Duty Print Calculator with Fluorescent Display (CNMCP1213DII).

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I once had a TI "pocket" calculator that was similar to the one pictured in this discription. It was small, compact, easy to use. The item I received was, unfortunately, significantly bigger than the one I had before (by about 30-40%). Functionally, it is the same and with its larger size, actually easier to use (somewhat larger buttons). Still, it was not what I expected.Get more detail about Texas Intruments TI-1706SV Handheld Pocket Calculator.

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Buying HP 9G Scientific Calculator

I bought this because my HP-48 is too big to lug around all the time. Keypad has nice tactile feel. Snap-on rigid case and slide-out plasticized 'quick-reference' guide are good (NB I haven't dropped it yet, but it looks fairly durable...).

I agree with other reviewers that the display of graphs is poor and the display clarity is bettered by other brands/models. In my opinion, the graphical display mode is only useful for viewing a quick sketch of a function. Text/number display is adequate. If the graphing of functions is important to you it may be better to look elsewhere and accept a compromise in other areas.

Most other brands in the price range claim 'algebraic entry - enter problems just as you write them on paper'. In my experience this is never the case - they all seem have exceptions and rules to be remembered and even simple operator precedence (i.e. 2+3x5^2=77, not 227 or 125) is not always got right. HP9g is very consistent and correct in this area. Implicit multiplication (i.e. key 2cos(30)instead of 2XCos(30) or 2A for 2XA) eases problem entry and makes a displayed formula more readable. No built-in complex number handling is a minus point for me. Reviews elsewhere show the HP9g maintains accuracy at extreme values of function arguments - reassuring for professional use. As a working engineer these points are far more important to me than having the best possible display.

Large memory for previous calculations - you can scroll back 25+ lines to check or edit and re-do a calculation.

Quick easy programming in a version of the BASIC language is also a plus point. IF,THEN,ELSE, GOSUB and FOR...NEXT are all supported. Also INPUT and PRINT ease data input and results display which is a major bugbear of most calculator programming.

As you've guessed I like this little calculator. It's no match for the HP professional models (at 6-10x the price...); the graphics might have been better left out; others have better displays: but as a everyday professional tool I find I can use it quickly and intuitively and trust the result where other brands in the same price range have left me wondering if I have really got the answer I wanted.

Get more detail about HP 9G Scientific Calculator.

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Discount Texas Inst. TI-83+ Graphic Calculator

Avoid this one folks! One look at the price tag is enough to make any college student shiver. While its very possible that there's some sort of error the current listing of well over 1k is Not what you need to pay. Amazon and many other sellers here offer the same one new for under $100.

NB, this is not a review of the calculator which my college prof seems to like quite well.Get more detail about Texas Inst. TI-83+ Graphic Calculator.

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Do not buy this from Polsteins Home & Beyond (They are the default)! They don't even carry them, but instead try and slip you the far inferior model 8510 Home Project Calc. They then promise to e-mail you a return label, and then don't do anything at all. I have just reported this company to the FTC for fraud. If you have been scammed by Polsteins Home & Beyond, either by the old Bait and Switch, or another unethical and illegal business practice, report them to the FTC at: www.ftc.gov. Be aware of your rights, the FTC says that if they send you something other than what you ordered YOU DON"T HAVE TO RETURN IT! They must still refund your money.Get more detail about Calculated Industries 8525 ProjectCalc Plus Calculator.

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The hp20s is a well build basic calculator that will last through years of use. It was a low end model when it was introduced by HP and doesn't have RPN or any advanced math features, but what it does have is 99% of what most people need in a handheld calculator in a nice package. HP's and TI's latest lower end models are plastic junk in comparison.

Buy it if you can find one at a decent price...Get more detail about HP HP20S Scientific Calculator.

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The 48G is a tough calculator with more functions than I would ever use in structural engineering. I would recommend it to anyone.

Sadly, HP quality has dropped dramatically since the release of the HP 48G series. I'm sure it's a combination of design cost "optimization" and manufacturing in China that has led to the fall of hp quality. If you chat with someone who works at HP, they are surprised to hear anyone question HP quality. So workers are oblivious and shareholders are happy because optimized costs mean more money in their pockets. The only loser is the end user who has to deal with poor quality products.

I bought a 33s for testing and the buttons quit working within a few months. Since then, I bought a 35s and haven't had any problems with it yet but it has a similar cheap feel as the 33s. When I push the buttons, I push them very lightly and hope for the best.Get more detail about HP 48G Graphing Calculator.

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Bought this for a girl who is starting on a path for advanced mathematics. She was thrilled with it. Get more detail about HP HP49G Graphing Calculator.

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I have owned top of the line graphing and scientific calculators from TI, HP, Casio, Sharp, etc. Back when I was a student, TI's were very cheaply made and often broke quite easily amd similar HP products lasted almost forever. This machine, the HP48GX (graphing and expandable), continues that HP tradition and is definitely put together very well. The HP48GX also includes the full and very extensive library of solutions from various branches of Physics and Engineering, etc. The pros and cons as I see it are:

PROS:

1) The Hp48GX has all the standard regular features plus CAS (Computer Algebra System) features that we have come to expect on such a machine, plus many nice very detailed and topic as well as course specific APPS that are already preloaded or can be added in electronically and quite simply from the HP or HPcalc or other websites.

2) It even works quite naturally with complex number solutions of equations (it can be switched from a real to a complex operating mode and even back again as desired). This machine is so versatile however that it will even evaluate symbolic matrices and it even evaluate the physical units of extremely complex equations as well as its numerical answer(s) (see more discusssion on this topic below).

3) This machine itself is relatively slow compared to the HP50g for example, but still comes with a graphical interface and resultant plotting system. The resultant plots are high quality and are very intuitive for the learning process.

4) It has a nice old style rectangular body design (similar to the Casio FX-2.0 or FX-2.0Plus) that sits very nicely both on a desk or a table as well as in your hand.

5) It has a large on-board main memory (by 1992 standards) that can be readily expanded and that is enough for tackling some memory intensive problems.

6) Although it is called a calculator, it is really a small, handheld computer system which can tackle problems from the most simple to ones with quite complex features.

7) The famous RPN (Reverse Polish Notation) operating system is available to the user.

8) The complete set of the predicted units of the solution of a complicated equation (or set of equations) can be determined independently of and simultaneously with its numerical answer(s). This is a feature that I do not know of on any other calculator system (except the later HP49 and HP50 series).

9) As on all such HP RPN models, a very fine self-test system is available to make sure your machine is fully functional all the time and a reliable clock (with seconds) is also continuously available.

CONS:

1) Some functions that you would readily expect to be available with a single key press require instead at least two key presses, but usually with only a single shift key press first.

2) The learning curve is quite steep, although very well worth the considerable effort, but this will heavily deter some good students from learning the RPN skills that can be effectively used for your entire lifetime once they are successfully mastered.
Get more detail about HP HP48GX RPN Expandable Graphic Calculator.

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But this calculator's buttons are hard to use. You literally have to smash on these buttons, slowly. If you're at the ACT, I wouldn't recommend this product.Get more detail about Texas Instruments - SCIENTIFIC CALCULATOR, 2-DIGIT EXPONENT, ONE-VARIABLE STATISTICS, FRACTIO.

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As an engineer of 30+ years, and now an engineering professor, I truly believe the HP 48G series of calculators is one of the best calculators ever developed....even if it is not the most intuitive. I remember starting college with a TI calculator (an SR-50). At some point, someone turned me onto the HP calculators of the day. After using one for a short period, I knew this was the way calculators were suppose to work. Very fast, very logical, very easy to use!

The major reason most persons do not like the HP is due to the RPN (Reverse Polish Notation) logic and RPL (Reverse Polish Lisp) language employed by the HP; generally because they do not understand it. RPN logic is how math is done, even pencil on paper. It is extremely logical. Even algebraic entry calculators, when not set to textbook entry, employ RPN logic for functions (ie: logs, trig functions, etc.). RPN logic forces the user to start from inside and equation and work outward. Of course, this is exactly how one solves anything pencil on paper! As a simple example, the sum of 5 and 8 in algebraic logic AND in textbook entry is 5 + 5 = ??
In RPN, there is no equal key. Instead, there is an ENTER key. So one would press 5 [ENTER] 5 + To the unitiated, this appears confusing on the surface. However, when one understands how the mind processes information, and when one truly understands how mathematics is performed, one realizes this is exactly how one handles math without the calculator. This is why there are no parenthesis on an RPN calculator. They're unneccessary. The advantage of RPN logic becomes readily apparent when handling very long/complex algebraic expressions (ie: Bernoulli, Principal Stress Equations, Certain Thermodynamic Expressions, etc.).

Although I have no problem with algebraic entry logic, Textbook entry is something to be despised. I truly believe this entry method has done more to degrade the mathematical abilities of our students than anything else! Textbook entry is exactly what it sounds like. You enter the equation as it appears in the textbook, then press equals (or exc). Although this sounds like a good thing, I can tell you that the vast majority of mathematical errors made by my students are made due to the lack of understanding of basic mathematical heirarchy. This is lack of understanding is propogated by the textbook entry format. Even students who have calculators with algebraic logic generally make fewer mathematical errors than those using textbook entry! It is also an extremely slow method. When lecturing on a given topic, and solving long algebraic expressions, I (and students using HP's) solve problems far more quickly than those with algebraic and textbook entry calculators. This time factor is rather substantial. Generally, those with textbook entry calculators are left so far behind those using even algebraic only entry, they stop participating and allow others to perform the calculations!

I have three high-end Casio's, every TI from the 83 through th 89, and most HPs from the 25 through the 50. I own so many so I can help my students. I hate to say it, but I never have questions from students who own HP or Casio calcualtors, only those that own TI's. Never thought about that before now. I wonder why?

I have also done extensive programming with the TI's, somewhat less extensive with the HP's, and minimal programming with the Casio's. Most of my programming is for use with data loggers. The HP is somewhat more difficult to learn overall, but the learning curve is not that much greater than the TI or Casio. However, the HP pays dividends in the end, especially in terms of speed of calculation and in terms of available professional software. I have always thought the HP SOMEWHAT more powerful and with a much more close-knit support group than the TI, although I suppose that could be debated. The Casio is easily the most intuitive of the three and I believe far superior to the TI in most areas. Anecdotally, I've had a number of students go the Casio route when purchasing a new calculator and they've all preferred it over the TI. (did you know Casio is the calculator of choice outside of North America?) In my opinion, the TI falls in between the HP and Casio. All three are very fine calculators. All three will do the job. But the HP is unique in that it actually improves ones understanding of mathematical concepts and heirarchy to the RPN logic.

By the way, I have a number of friends who like the HP, but use the TI or the Casio. However, they seldom use it in textbook entry (they also deem it illogical). However, they usually use it becasue the department has selected TI's. This is especially true in K-12. But this is generally due to a difference in the business models of Texas Instruments vs. Hewlett Packard. Unfortunately, HP caters to the professional market, not the educational market.

In the end, the HP-48/49/50 series of calculators are GREAT calculators. I tend to prefer the high end 49/50's over the 48 series due to their use of SD cards, thus the ability to store high quantities of data. However, the 48G and 48G+ can still be found at a reasonable cost, thus comes highly recommended.Get more detail about HP HP48G PLUS Graphic Calculator.

Casio HS-8V Hand-Held Solar Calculator Review

It's a solar powered calculator that works. Not much else to say. I originally thought it was much bigger, but the dimensions given were "packaged" dimensions. It's maybe an inch bigger than the palm of your hand and fits in your back pocket.Get more detail about Casio HS-8V Hand-Held Solar Calculator.

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calculator works fine as a relatively cheap calculator (3.99 or less). this is the second time amazon has doubled the price. i know cause i bought another one after it finally went down again. not worth the nearly $9-$10 amazon is now AGAIN asking. got both of mine for under $4. hold off if interestedGet more detail about Aurora DT210M Dual Power Angled Display 8 Digit Desktop Calculator.