OT: New RPN Calculator



#12

The new Elektronika MK-152

It is keystroke programmable like the MK-52/61.


#13

NOW!
Any idea how to buy one from here?
BTW: do you think from the description that it's an updated one of these?


#14

I'm not sure about this strange calculator, but you can find some informations here.

Edit: The manufacturer


Edited: 13 Dec 2007, 7:43 a.m.

#15

Eeeek!

This thing doesn't even have a real keyboard:-/

It looks more like one of these balance devices

the butcher uses to get the weight of the sausage disks...

Raymond


#16

Yes, I have to agree.

#17

Looking at that beast makes one appreciate the styling of the 35s!

Regards,

John

#18

Yes. If it is as robust as it looks (and waterproof), it could be the ideal calculator in many labs.

I bet one could make some money from importing and placing it into any lab equipment catalog. Still, several repetitive calculations are done in this area by hand, both time consuming and boring. Time to change that (of course, while I was in biophysics, I had everything in my 32SII, but never saw a workmate using a programmable :-).

#19

MK-152 is not exactly like MK-61/52 (they are pocket devices) but like MK-46/56/64.

See comparisons photos here

Originally MK-152 was designed by producer to manage its equipment/devices.


#20

Hello Serguei,

I have found your interesting article about the comparison between the old MKs and the MK-152. Is it correct,
that the old MKs are all equal in execution speed? Is it possible to send me your test program for inserting to the database?


#21

Hello!

Not at all, the new MK-152 is about 1300 time faster that all old models, both pocket and desktop.

You could better use the second program that take about 13 seconds at the N-Queens test.
There are some cyrillics characters so I changed it to english analogs.

00.Cx    01.1  02.2     03.MS0   04.Cx   05.KMS0  06.MR0 07.Fx=0  08.04   09.8
10.MRB 11.- 12.Fx<>0 13.56 14.MRB 15.1 16.+ 17.MSB 18.8 19.KMSB
20.MR9 21.1 22.+ 23.MS9 24.MRB 25.MSA 26.MRA 27.1 28.- 29.MSA
30.Fx<>0 31.09 32.KMRB 33.KMRA 34.- 35.Fx<>0 36.44 37.K|x| 38.MRB 39.MRA
40.- 41.- 42.Fx=0 43.26 44.KMRB 45.1 46.- 47.KMSB 48.Fx=0 49.20
50.MRB 51.1 52.- 53.MSB 54.Fx=0 55.44 56.MR9 57.S/P

where MS - memory store, MR - memory reclaim, S/P - Start/Stop


Feel free to email me "serge at arbinada dot com" for more information. French, English and Russian texts are welcome ;)

#22

P.S. Excuse me if I didn't understand your question about speed.
The speed of old calculators (B3-34, MK-54/56/61/52) are nearly the same.


#23

Thanks for translating the test program. I have added it to the database and corrected the MK-152 to 13 seconds versus the MK-52 with 189 minutes. The automatic translation of your article is not clear at some points especially the differences of the test programs, but I hope the values are ok now.

Do you know which CPU is used in the MK-152 and it's clock speed?

#24

Not at all. Thanks to inserting MK-152 in the benchmark test too :)

AFAIK, MK-152 uses W77LE516 chip on 22 MHz

I can propose you new article about MK-152 written in English especially for foreign readers that contains both technical details and cultural background.

MK-152: Old Russian Motive in a New Space Age


#25

Thanks for posting the English article.

Edited: 15 Dec 2007, 12:45 a.m.


#26

You are welcome, but I'm not the author ;)

#27

The core of the W77LE512 seems to be an Intel 8051 8-bit µC.

Interesting to read the article.


#28

Yes, probably you are right 8051.
AFAIK, there is a Russian similar chip MK51 (not a Soviet calculator MK-51 ;) ) and using W77LE512 (Chinese) instead of MK-51 is only by price reason but no other problem to use only domestically produced chips if need.

#29

Xerxes,

As I said, current variant was a Citizen FX-4500PA manual recoding.
I check again my first variant of N-Queen test originally written using pascal-coded algorithm and it gives queen's positions correctly (Qa8, Qb4, Qc1, Qd3, Qe6, Qf2, Qg7, Qh5).

So following code is more faster: 8 seconds.
Could you please modify MK-152 data in the list?
Here is a program to reproduce.

Thanks in advance.

00.Cx    01.1   02. 2    03.MS0   04.Cx    05.KMS0  06.MR0  07.Fx=0  08.04    09.8
10.MRB 11.- 12.Fx<>0 13.56 14.MRB 15.1 16.+ 17.MSB 18.8 19.KMSB
20.MR9 21.1 22.+ 23.MS9 24.MRB 25.MSA 26.MRA 27.1 28.- 29.MSA
30.Fx<>0 31.09 32.KMRB 33.KMRA 34.- 35.Fx<>0 36.44 37.K|x| 38.MRB 39.MRA
40.- 41.- 42.Fx=0 43.26 44.KMRB 45.1 46.- 47.KMSB 48.Fx=0 49.20
50.MRB 51.1 52.- 53.MSB 54.Fx=0 55.44 56.MR9 57.S/P

#30

I guess you mean Casio FX-4500PA? ;-)

I have updated the MK-152 result, but are you sure with the program? It's the same as above, if I'm right.

Usually the unstructured code, e.g. the FX-4500PA version, is the faster one. Have a look at the comment below the PASCAL code.


#31

Yes, you're right about Cassio ;)

Sorry for mistakes...
Indeed, I posted the same programs... So the first one was not corresponding to result.

Now all is OK: code and result.

Thank you for help.

#32

I wish i could understand what the links say. All i know is, well nothing; but i believe that it is an RPN programmable (i see the russian symbol for "enter"), with connections to the outside world. Cool. Where do i sign?


#33

Google Translate is your friend.

#34

Here is the link to a
Emulator MK-61/52 with enhanced input language page. (the actual link to the zip-file is on the botton of the page).

Do not know if it works.


#35

It works, but it's not easy to use it. ;-)

#36

Frank,

here is a link to simulator that is easy to use and show true foreground view of calculators. So you can even press buttons on image ;)

#37

Some of the comments about the calc at the website, in only-slightly-fractured English and presumably from Russians, are entertaining to read. For example:

"It is a shame to me with my country

pfff"

-- KS


#38

Yes, I found this comment conspicuous too.

#39

It's a shame to me with such "compatriot" :((


Possibly Related Threads...
Thread Author Replies Views Last Post
  OT: Graphing calculator for Android ? Ivan Rancati 4 950 11-18-2013, 12:33 PM
Last Post: Alberto Candel
  [PRIME] RPN: another attempt at returning more than one value to the RPN stack Marcus von Cube, Germany 5 1,170 11-05-2013, 02:44 AM
Last Post: Marcus von Cube, Germany
  OT--'The Big Bang Theory' and RPN/HP--Any connections? Matt Agajanian 19 2,317 09-05-2013, 08:27 AM
Last Post: Adrien Bertrand
  OT-The ideal calculator Matt Agajanian 0 446 09-04-2013, 01:11 AM
Last Post: Matt Agajanian
  OT: Reversing Sinclair's amazing 1974 calculator hack - half the ROM of the HP-35 Egan Ford 6 1,350 09-02-2013, 10:54 PM
Last Post: Thomas Klemm
  OT: Simulating a TI calculator with crazy 11-bit opcodes Egan Ford 8 1,352 08-13-2013, 12:06 AM
Last Post: Paul Dale
  Another non-HP RPN vintage calculator joins the collection Michael de Estrada 2 932 07-23-2013, 04:10 PM
Last Post: Walter B
  OT: anyone use the TI BAII Plus calculator a lot ? Gene Wright 1 582 06-15-2013, 01:08 PM
Last Post: John B. Smitherman
  OT: RPN calculator/dmm by ESI Kees van der Sanden 2 791 05-25-2013, 01:38 PM
Last Post: Kees van der Sanden
  [OT] Unknown Olivetti calculator? Cristian Arezzini 4 945 05-24-2013, 01:17 PM
Last Post: Thomas Klemm

Forum Jump: