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Scientific/engineering firmware repurposing HP business calculators!

User Ratings

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ease 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 5 / 5
features 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 5 / 5
design 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 5 / 5
support 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 5 / 5
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User Reviews

  • jpelletier
    1 of 5 2 of 5 3 of 5 4 of 5 5 of 5

    Works with WINE on Linux!

    Posted 06/19/2014
  • eliperkins
    1 of 5 2 of 5 3 of 5 4 of 5 5 of 5

    simple and straight forward to use

    Posted 02/14/2013
  • gabrielcarlson
    1 of 5 2 of 5 3 of 5 4 of 5 5 of 5

    fast download and works, recommended.

    Posted 01/20/2013
  • kalebwood
    1 of 5 2 of 5 3 of 5 4 of 5 5 of 5

    wp34s works nicely

    Posted 12/19/2012
  • evanrivera
    1 of 5 2 of 5 3 of 5 4 of 5 5 of 5

    wp34s is fast and stable

    Posted 09/15/2012
  • jimhorn
    1 of 5 2 of 5 3 of 5 4 of 5 5 of 5

    A fantastic resource and powerful tool. With unprecedented accuracy, speed and feature set. The WP-34s extends the RPN model beyond my wildest imaginations while providing ease of use, excellent documentation and frequent updates. For the serious scientific handheld calculator user who preferes RPN, this stands far in advance of any alternative. That it is so inexpensive is just incredible. Well done, gentlemen! Jim Horn, HP RPN daily user since 1975

    Posted 05/17/2012
  • vladhed
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    WP-34s: The HP calculator that HP could never build. The current "top of the line" HP scientific-programmable calculator is the HP-35s, which for reasons I won't get into here, is not as good as the calculators HP made during the 1970s and 1980s. With a switch back to in-house calculator development, HP made the HP-20b and HP-30b calculators so that you could flash your own firmware and turn it into whatever you wanted it to be. That's what Walter, Pauli and Marcus have done - borrowed a bit of code from the Open RPN project and with lots of new code, produced the WP-34s firmware which is basically an HP-42s + HP-16c plus a whole lot of new stuff never seen before in an HP calculator. You could get an HP-30b, flash it with the WP-34s frimware, apply a keyboard overlay from Eric, and happily use it as an HP-42s and do all the things you could do with that calculator, and not use half the functionality of the WP-34s. Programs can be written, tested and debugged using Neil's compiler and one of the Pascal's multi-platform emulators of the WP-34s, then transferred to the calculator via the serial cable. Maybe one day HP will build something to match the WP-34s, but for now, it's the greatest HP programmable scientific / computer science calculator ever made!

    Posted 05/17/2012