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For HP Prime (NW280AA), 36 customer reviews collected from 1 e-commerce sites, and the average score is 4.3.

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3.10.2013

Firstly, having waited 20y since the HP48 came out, now was a time to buy this calc. It came out at in Oct 2013, and today, appeared on Amazon. I spent weeks waiting for this to appear, but the sellers lost out because I found another source.Calculator itself is brilliant - lots of functionality, touch screen, fast. (The early software has many bugs, but who cares - this is a device to play with and learn; if you are an aspiring programmer, you can use this to learn a lot and ponder how it is all implemented).HP price gouge in the UK. I am seeing a price of 130 GBP on Amazon today, but the going price in the US is $130 or lower. The HP list price is 149 GBP. Totally insane. I got mine for 118 GBP inc VAT.There is a huge fluctuation in price - maybe because it is so new, but the European prices are very bad. The same was true of the predecessor HP50g - an otherwise excellent calculator.This calculator has a color touch screen. It may be overkill in a calculator but that means more to experiment with in the underlying programming language. I am still trying to find my way around. You either love this kind of thing or wonder what the rest of us are smoking. We calculator lovers do not care :-)I know the likes of Casio sell impressive calcs for 5-10 pounds, and the price of this calc is high. The very closest that comes to this calc is the HP48/HP50 emulators for iOS or Android.Visit the hpmuseum.org website to find technical discussions of how to use the calc, if thats your kind of thing.The calc covers just about everything you would want from primitive/basic maths through to A level and beyond. That doesnt do it justice - here is a calc that can compute numbers like 250! showing all digits of precision. It has a CAS mode (using symbolic equations rather than numeric values), so you can find Taylor expansions of SIN(COS(TAN(x))) for example.The programming language is BASIC like - sort of a shame, but ok for knocking up little applets, games or just experimentation.An ARM 400MHz CPU means it is snappy - very snappy for complex calculations which previously would take minutes on the legacy calcs.I wont compare it to the Casio Classpad or TI-NSPIRE calcs - impressive in their own rights, but now leapfrogged by HP.HP - just stop price gouging the europeans.
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9.3.2014

quite a well thought out calculator. RPN (the main reason anyone used to buy a HP calculator) isn't implemented throughout the design which is disappointing. How and when you can use it isn't explained at all well so unless you are prepared to experiment, you may give up on it except for the most basic calculator work. I suspect the main reason for this is the difficulty of writing an editor to display entries made in RPN as text book (that or the power consumed whilst continually updating the display). Perhaps in future?something that seems to have gone is the ability to display vector fields that the HP49 or HP50 could do.I'll be hanging on to mine for that reason.the calculator also implements units so that you can be sure that the answers you get are suitably dimensioned, and scaled. unfortunately, that seems to be a half measure that will only help in the simplest of circumstances. functions (including equations) don't seem to have the facility to handle dimensioned parameters so the advantages of units are completely lost here.plotting complicated equations such as maxwell's distribution suffers from some issues. the default ranges just don't do the job and you have to put quite a bit of work in to establish sensible values (or have a very good idea what to use to start with).This calculator is, not surprisingly, hard on the battery. If you use it regularly, expect to be charging it up a lot. If not, be aware you may need to charge it up before you use it as it doesn't seem to hold its charge for more than a few weeks.if it weren't for these niggles, i'd love it. it's easy to see how useful it can be for exploring maths as long as you don't push it too hard or wander too far from the curriculum. within those bounds, it's utterly superb.
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31.8.2018

I was looking for a calculator allowed during the IB Diploma exams and came upon this one. It features a much more modern design compared to other calculators and a better display witch touchscreen. It makes using the calculator really easy. The best thing about this calculator is the ability to turn on the exam mode and disable certain features. This allows the calculator to have many more features compared to other IB calculators (CAS etc.) which would normally be prohibited and it costs the same price. Using the HP Connectivity Kit on my Mac I was also able to update the firmware of the calculator and all of sudden new 3D graphing app appeared which was a great surprise.It is also really easy to download apps for the internet and load them on it. The build quality is also excellent and the included help menu for every function is great. The only downside of the calculator is that the battery percentage is shown in increments of 25% so you never really know how much exactly of the battery is left.Overall I would recommend this calculator as the best IB approved calculator you can get. When I showed it to my friend three of them already upgraded their calculators to the HP Prime.
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8.5.2017

This calculator is aimed at the same market as the TI-NSpire range, but covers the ground so much better and is blindingly fast at doing it.Its strengths are the internal mathematical function commands which are far more extensive than the TI -Nspire. The Matrix commands are more extensive for example and the programming language commands for things like drawing are very high level, dealing with objects rather than pixels. Whereas the TI-Nspire does not even have a 'draw' command. The only weakness I can see in the Prime are the lack of 3D graphing off the shelf, but this has been remedied by the 3D graphing application from a user.All in all this is a classy super-calculator with a refined touch (important for giving you confidence).Its newness on the market means that there are less user written 'apps' for the beast, but I predict that because of the emphasis on a strong internal commands which can be used in user programmes, this calculator will win the day. There I did not mention RPN once...ooops
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21.10.2013

I have always shied away from HP calculators due to their use of RPN input; I like to input as it is written (old school (literally))However I was really taken by the look of this calculator and impressed by the vast array of functions (or 'apps')Then I read that the RPN was, in fact, optional and not even set as the default; that being 'textbook'; ie just as it is written; ie just as I like itNeedless to say I immediately logged on to Amazon and had it 'express' delivered and it arrived next dayI can only say it is everything I expected, and then some; it is a truely awsome machine, unbelieveably quick and extremely complex (not complicated) so I will probably spend days, weeks,months investigating its many functionsHighly recommended
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25.10.2018

I got this for vector calcualtions and complex numbers for high frequency electronics, it handles it all well, although funilly enough the common complex actions e.g. complex to vector / polar etc is not so simple as I expected, I ended up writing some functions for it. The functions are great but having done a few I had to re-do them to organise things better. Given you can greate functions and apps yourself or get shred ones from the internet, this custmises however you like. Of course you can download this for PCs and so oddly I end up using the PC version most, and when programming I use the PC with the calcualtor plugged in and transfer the programs to the calcualtor after testing on thecomputer.
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29.1.2015

Latest HP calc, just starting to learn it all. Downloaded the full manual, 616 pages, and printed it off as a whacking great A5 book , as on-line or on screen just doesn't work for me. Very good graphing, starting to grasp HP PPL programming. as I am of the RPN camp from a HP41 CV.Very good screenWoud prefer it if you could make your own apps, linked to a program, not modified aliases of fixed apps. Finite variable names, some pre-assigned, eg M = matrix, V= vector etc.I suspect that even the manual is not the full story and a function reference manual is needed.

30.4.2017

Being able to install programs on it means you're not stuck with defaults, but the RPN (reverse polish notation) is really half-assed and inconsistent. If the RPN had been consistent I would give it full marks. It IS fantastic for graphing though and the backlit touch screen is amazing, which is why I got it in the first place! I'm not sure if I regret not going for the 50G to be honest, that does have consistent RPN... I think if I had my choice again I'd still choose this though, the graphing is excellent and I can play Tetris on it while I think problems through.

12.4.2017

Very good calculator. Useful for graphing, a few unnecessary and unwanted features. Battery life is excellent. Touch screen is responsive one finger but multi-touch doesn't always work as effectively as you would hope. Unfortunately, it doesn't have the nCr binomial coefficient function but the programming feature meant that I could code it in myself. You can't really go wrong for £80 so I would definitely recommend.

4.3.2014

This is indeed an impressive calculating machine. I have this and the TI-NSpire CX colour calculator. I have found this to be much faster starting up and performing graphical and other calculations. The touch screen is a bonus. I just wish that this machine was as supported by way of sensors for data gathering as the TI is and for this reason it doesn't get five stars.

1.11.2013

The calculator is in line with a new generation of handheld calculators that provide a very good calculating power in the field. Hopefully there will be new system capabilities for 3D graphing and the possibility to use a memory stick connected to the USB such that to bring the functions of HP50g that are missing here. What it gives in excess is amazing.

24.9.2020

Good thing about this is the screen is bright... and you can actually read the stuff not like a dim non-backlit LCD display."Upgraded" from HP-28S, HP-48GX and 50G to this device. Not as good for RPN by far, and mathematically not as comprehensive as the 50G (esp. with some of the great libraries from the 48 series) but times move on )))

12.11.2014

In the calculator world, there is HP and their smart RPN notation, and the rest. This latest model is a bit pricey but well worth it. Reserve some evening to learn all about this small computer, and you'll be rewarded accordingly. Admittedly you might just load Wolfram Alpha on a smartphone, but it would be just less fun, isn't it ? :-)

15.1.2016

An excellent graphical calculator. Great build quality (everything feels solid and the keyboard gives out a nice click) and a fast processor makes drawing graphics a breeze, panning through them is also flawless. Great battery life. Just remember to apply a screen protector to avoid any unwanted scratches.

8.6.2016

Instruction manuals (Two) are English and Spanish. Well its is not an exact manuel but HP prime comes with short starting booklet. I am very pleased with this product. I recommend this item to every college student. At the end its not a Mathematica but quite handy in the classroom.

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