No other manufacturer (TI, Casio, etc.) has produced anything close. This machine is a marvel and easily the best scientific calculator ever made. I would like to have a working unit all the days of my life. Verified purchase: Yes | Condition: Pre-ownedĪn God said, "Let there be the hp 42S." - CONTINUED.īought another one.
Hp 42s rpn scientific calculator bettery type full#
Yet, they still won't do it! Read full review We've told HP what we want and that we're willing to pay for it. Judging by the high prices HP calculators prior to 2001 fetch on eBay, I'd say many others feel the same about HP now. HP no longer deserves to be associated with quality. I don't expect HP to ever make a quality calculator again. I've asked HP's new President & CEO Dion Weisler to do just that, but I'm not holding my breath. Personally, I'd like to see an HP 15cii and an HP 42sii. In my opinion, the best scientific programmable calculators that HP ever made are the HP 67, HP 15c, HP 32sii and the HP 42s (although I'm very fond of the HP 29c and HP 34c) The best of the bunch I'd have to say is the HP 42s. HP must have read them too and obviously doesn't care any more. If you'll read the reviews on eBay, Amazon and HP's own public reviews you' ll notice that Kinpo's calculators aren't as good as the one's HP used to make. Kinpo made the HP 33s and the current HP 35s calculators. Since then, Kinpo Electronics of China has been making scientific programmable calculators and HP has been putting their name on it. Many scientists and engineers use this calculator today, 25 years after its introduction."Īround the turn of the century, HP terminated its' calculator development team and decided to reduce the quality of its' calculators. "This calculator is often regarded as the best ever made in terms of quality, key stroke feel, ease of programming, and daily usability for engineers. * Added display option to show flags 0-4 at the top of the display if they are set.The second to last Scientific Programmable RPN calculator HP made. Swiping the LCD left or right performs these operations.
* Added Undo and Redo functions for the stack. * Added hi-rez (retinal) key pad image for iPhone 4
* Compatibility with iOS4 including application switching and compatibility bugs * Program mode can now be scrolled with the menu active. * Added option to remove device status bar for a larger LCDĪdded additional lines to LCD modes, now supports up to 6 lines of stack, or 7 lines of program. * Added DROP command, executed by doube tapping the back key * Added option for no stack lift on Enter. Choose between the traditional (X, Y, Z, T) style stack, or a fully dynamic stack. * Added option for a dynamically sized stack. * Tap LCD in alpha entry mode to toggle the display of the iPhone keyboard. * Display last x register in the upper right hand corner of LCD * Double tap print output view to copy print contents * Sound tones mimic those of the original HP-42S
* swipe LCD vertically on the right hand side to roll stack contents, or to scroll a program in program mode. * Double tap LCD to cut and paste one or more numbers from the stack, or paste one or more numbers to the stack * Swipe LCD vertically to get up to 7 lines of display. * Runs several orders of magnitude faster then the original calculator, including program execution, solving, integration, matrix operations, etc. * Use the iPhone keyboard for entering character data, or variable names. * Internally stores values and performs operations in 25 digit decimal precision. Packages are available for additional functionality including Engineering, Scientific, Financial, Statistical, etc. Additionally, several enhancements have been made over the original calculator such as additional precision and the ability to import and export programs. This calculator provides all the functionality of the original 42S with several hundred functions, programability, printer output, etc. There are no ROMs or emulators involved allowing 42s to run natively and fast.
42s is an iPhone port of Thomas Okken's excellent and stable Free42, a complete re-implementation of the highly praised HP-42S RPN calculator.
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