When will the revamped 33S be released?


According to an article on the hpcc.org site, a revamped HP33S is in the work and should be out by now, any ideas when? Look at the last paragraph of page 7 below.



This refers to a change in the 33S display which was phased in about a year ago.

The LCD was changed very slightly to make more space for the decimal point.

It has already been released.


So now the 33S is fitted with a reasonably size decimal point that I don't have to hunt for it? Is there a picture of the new decimal point on the web? For whatever reason (out of curiosiy), I bought a 9G couple of months ago, the decimal point was so small that I considered it unusable. Why did HP accept it from the OEM?


Last year Jeff O. placed this nice picture showing the differences between both displays:

Take a look at this thread for more information:



God, that's a year ago already!


By the way: Did anybody niticed that in the old version, the four keys ENG, SOLVE, MODES and DISPLAY are painted and in the newer version they are molded? Or is this only in my units?


I recently talked to HP because I have to get another replacement 33s because the decimal key became loose. I asked if there would be a replacement for the 33s in the near future. Take this with a huge grain of salt, but the guy told me that he was unaware of anything, and that since HP had recently released 3 new models nothing would happen with the 33s for at least another year. I didn't think he would be able to tell me anything, but I asked any way. The impression I got was that this person truly didn't know if anything is in the works for a replacement to the 33s.

Personally, I hope that we do get a replacement for the 33s in the not too distant future that addresses the color scheme, chevron layout, small enter key, and limited number of variables. I like the 2 line display, so I hope they keep that.

What are the changes others would like to see in a replacement for the 33s?


Just found two spare HP-33S I didn´t sold yet.. Please, how can I test the BUG / Non-Bug version (one hs the old, the other the new display)....



Still no posting concerning the Bug / Non-Bug.. How to detect?


what bug / no bug?

You can certainly tell by the display as is shown with the pictures in this thread. I'm not sure what else you're seeking. :-)


Here is a discussion about the HMR bug. Searching the archives should reveal even more threads. The polar/rectangular conversion is faulty, too.



This and this also discuss/describe various bugs.

Edited: 30 Aug 2006, 12:39 p.m.


The basic tests for the bug geive the following results.

If you enter negative hours mins seconds and get goofy results.

If you do rect->polar with 0,90 and go back again it will say 270.

All the 1st displays seem to have the bugs. And the second display design (with bigger decimal but same original size characters) seems to have the bug--at least some of them anyway.

The bug-free ones have both larger decimal point and the narrower characters (more blank space for the decimals) but I am not certain whether *all* of the newest displays are bug-free but I do think that is the case.

For a time, HP had a workaround posted on their website, but it got taken down after the improved units were shipped.

One thing I have not checked for is the "reset bug" which Ben salinas detected in the 1st ones. This is where after a general reset, the RAD annunciator may be on, but the calc behaves in DEC. I think that's the way it was...you'd have to search the archives to find Ben's post..its been a few years.



The bug-free ones have both larger decimal point and the narrower characters (more blank space for the decimals) but I am not certain whether *all* of the newest displays are bug-free but I do think that is the case.

Mine (CNA51500163) has both the latest display AND the bugs!



Well, I was afraid of that.


How about the following:

  • Establish two-character global and local programming labels. Global labels would be two letters. The first letter would go from A to Z, the second from A to P, which would give 416 global program labels. The local program labels would be two characters, a letter and number. The first character would go from A to Z again, while the second would be a number from 0 to 9. This would give 260 local program labels. The local labels could be re-used as desired in separate global label structures.
  • implement single and double character storage registers designations. For quick access, there would be ten registers labelled with single numbers, from 0 to 9. Two-character registers would have the first letter from A to P and the second from A to Z, for another 416 registers.
  • give the calculator one-way communications from a PC to the 33s. The communications path could be via a cable or SD memory card. To fully use this one-way communications path, a simulator program for the PC would be developed and included with each 33s. Programs could be developed on the simulator and then downloaded to the 33s. If you were careful to develop your meaningful programs on the PC and then download them, you would not have to worry about losing your programs if you ran out of memory or suffered a power failure or some other glitch that cleared memory. Users could share programs, and third-party software development and marketing would become viable. (The purpose of this limited communications/storage system is to retain NCEES approval for use on FE/FS and PE/PS licensure examinations.)
  • Expand memory to at least 64KB
  • allow the functions of the existing XEQ and ENTER keys to be reversible in the MODES menu, with some way to relabel (stickers, exchangeable keycaps, ?)
  • Make it look like this:

    or even better, like this:

  • and finally, if we can't have a 42S replacement, then the new 33s (33sii, 33s+, whatever it might be called) should at least be given the complex number capabilities of the 15C with its complex stack arrangement.


It is definitely doable, but it will cost you.


How much? (I presume it will just cost money, correct? I’m not willing to go the first-born child route.) I think most users would probably be willing to pay somewhat more for a revised 33S with the capabilities I described, especially if it incorporated the complex number capabilities of the 15C and so therefore became a more viable replacement for the 42S. Maybe $65 to $75?


I paid 80 euros, i.e. roughly $102 for my 33S (please don't laugh!) and deemed it was worth it at that time, even if I got the tiny dot LCD and a keyboard that leave to desire.
I would be glad to paid the same amount for the enhanced one.
I would even add a couple of bucks if I could get a 15-level stack.

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