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Summary:

HP scientific and financial calculators have been the tools of choice for many in the business world for decades. Many of us have fond memories of the different HP calculators we have used over the years and often lament their passing. HP realizes this and as […]

HP 12c iPhoneHP scientific and financial calculators have been the tools of choice for many in the business world for decades. Many of us have fond memories of the different HP calculators we have used over the years and often lament their passing. HP realizes this and as such as recreated three of these calculators on the iPhone. It would appear that HP found a unique way to sell these calculators all over again.

The three calculators in the iPhone App Store are the HP 12c, HP 12c Platinum and the HP 15c. The calculators have been totally recreated in these emulations, from the graphic display of each calculator to the special functions each performs. The calculators are programmable just like the originals. Like the native iPhone Calculator, the HP calculators are displayed in full in landscape orientation, just like the originals. When rotated to portrait mode, they display in a simplified form, just as Apple’s does.

These emulated calculators are not cheap; they run $15, $20 and $30 for the 12c, 12c Platinum and the 15c, respectively. HP may be onto something.

(via MacWorld)

  1. It started as an open source project : http://code.google.com/p/hpcalc-iphone/

    HP finally gave finally his blessing to sell it.
    Giving back the author a bit of credit ;)

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  2. There are more details and better photos for the two that have been released at:
    http://appshopper.com/finance/hp-12c-financial-calculator
    http://appshopper.com/utilities/hp-15c-scientific-calculator

    If you need the financial functions or are attached to the particular interface these may be worthwhile. Two important questions I can’t figure out from the descriptions are:
    1. Are there click sounds for key presses that don’t require earphones on older iPod touch versions?
    2. If you write a program, can you store it?

    I’ve been using http://appshopper.com/utilities/digits, which does have click sounds and has a lot of functions available with a pull-strip (what looks like a corduroy barcode in the photos).

    Since there are many Tablet PC users here, I should add that on my tablet I use http://www.tordivel.no/xcalc/, which is free. On the tablet it is much more clear when you have actually hit a key, a problem on the iPhone unless you have click sounds that are loud enough.

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  3. I prefer Free42 on my PC.

    They have versions for iPhone, Windows, PocketPC, Linux, Mac, etc..

    http://free42.sourceforge.net/

    It doesn’t hurt that it copies the actual calculator I’ve been using since 1988.

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  4. Thanks for making my day! This makes the iPhone viable for me.

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