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20 of 21 people found the following review helpful
on January 30, 2012
I have used my old HP 12C for about 29 years. It still worked pretty well, but some of the trim was scratched, the rubber feet were long gone, and the batteries had to be removed and realigned every so often to keep it running.

The new one looks just like the old one used to. The keys are nice and springy and very responsive. It uses 2 quarter-size batteries now, and I don't think they will slip around as much. It comes with a nice slip case and a very complete Users Guide on CD.
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16 of 17 people found the following review helpful
on March 12, 2012
I have the 25th Anniversary Platinum edition along as well as the 30th Anniversary edition.

I know a lot of people have had problems with keyboards with newer HP12c calculators, with the calculator not responding well to a pushed button. My 25th Anniversary edition required me to press hard for some keys to register, especially the on/off button. For those of you taking important financial tests, this might cause you to miss some answers.

The 30th Anniversary edition I received has no problems with the keyboard at all. Keys are springy, and most importantly of all they register with very light pressure.
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8 of 8 people found the following review helpful
on March 31, 2012
My first HP 12c was purchased almost 30 years ago and is still operational as of today. Impressed with the financial and statistical functions. Most impressive is the RPN. The advantage of adding a full balance sheet without the need to write down or store sub-totals. Savings in key strokes. Addicted to it now. Use it almost everyday since. Also purchased other more advanced versions of business calculators from HP, viz., "HP 19B - Business Consultant" (no longer available now), "HP 19B - Financial calculator" (still available). But, still prefer HP 12c with larger on screen figures displayed. Overall, preferred the 25th anniversary platinum editon with leather case and faster speed.

Purchased my second HP 12c in 1997 in worry of no longer available in the market. Impressed that it survived Y2K and still available as of today.

Purchased the 25th anniversary platinum edition from Amazon a few years ago with leather case. I have been using this newer version everyday since.

Purchased this 30th anniversary edition from Amazon recently which looks exactly the same as the first two but with faster speed. Even the PVC pouch is the same. The first two HP 12c had now been stored for their retirement with the batteries taken off.
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8 of 8 people found the following review helpful
I'm a finance/accounting student who received this for a gift during my first year of studies. Even though there are really advanced and specialized functions here I found efficient ways to do Economics and Statistics work almost immediately. Normally bothersome, multi-step functions are easily handled by a few quick inputs.

Love the look and feel of this calculator, it is built solid and feels somehow "authentic". Treated well I doubt I'll ever have to replace it.

Can't recommend this item highly enough.
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21 of 26 people found the following review helpful
on January 13, 2012
I bought this 30th Anniversary Edition hoping that it would be manufactured with a good keyboard unlike the Platinum version. Unfortunately, mine came with the keys 7 and CHS registering only one time out of 10.

EDIT Feb 2012: I returned the calculator to Amazon and received full refund to then purchase a 20 years old HP12C. The build quality back in those days was fantastic. The keyboard is firm and responds perfectly. The calculator is obviously slower especially for computing IRR and YTM.
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8 of 9 people found the following review helpful
on November 12, 2012
I have the 25th Anniversary Edition -- Paid top dollar. Some keys do not register unless you press them hard and several times. This is not a reliable calculator unless you pay very STRICT attention to your every keystroke. I went back to my old (1980's edition) reliable plain gold HP-12C.

Since others are reporting keystroke problems, there MUST be a real fault with the product. Stick with the regular gold calculator.
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8 of 9 people found the following review helpful
on November 22, 2011
This calculator does everything someone who tries to do their own finances needs. HP did a great job when they made this gem.. It was delivered promptly and in good condition. Would definitely buy from them again.
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4 of 4 people found the following review helpful
on May 26, 2013
i just bought an HP 12 c 30 anniversary edition calculator as a back up for next saturday's CFA exam. It arrived yesterday. At least 3 of the number keys stick, and i am scared to trust the functions. It feels lighter than the 25th anniversary edition, and i just wonder if i have the genuine article here. any advise?
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3 of 3 people found the following review helpful
on April 10, 2013
I absolutely love my "old" hp12c; however, this newer, more advanced (faster at some calculations) model is a very poor quality build. Many of the keys stick after being pushed. Build it to the standards of the old hp12c and I'll love this new one too.
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2 of 2 people found the following review helpful
on April 3, 2014
I have been using an HP 12C since my grad school days in the mid-1980s. I still had the original from then until just a few years ago when it was lost (or stolen?). I am now on my second replacement. The quality of materials and workmanship is definitely lower now than it was in 1985. The first replacement worked fine for 1-2 years then started yielding inexplicable and inconsistent errors in calculations. The second replacement - which I've only had for two years or so - now has a defected #1 key. The key doesn't fully spring back up when released and has to be pressed VERY HARD to get the #1 to register at all. Obviously, this makes it very difficult to achieve any sort of speed, which is one of the main advantages of RPN. I will be getting another replacement now, sadly knowing that it, too, will probably have to be replaced within a couple of years. Because of the price, it's hardly worth pursing the matter with HP, but I'm very disappointed in the quality of the current product. I downloaded an HP 12C app for use on my iPhone. It works fine, but it lacks the tactile sensation of the real thing, so the process of using it is much slower than on the real HP 12C.
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