By “brain transplanting” your calculator (swapping the motherboard), you could get an incredible 4 MB (yes, MEGA bytes) of memory added to your loved one. Sweet. And did I mention the great display? Versus. All this in addition to a status line at the very top - similar to that of a smart phone - with date and time, a battery indicator and the current state file (you can save the whole memory of the calculator to disk and have several such state files and swap between different setups, programs and data). I remember one of my class mates had a weird-ass HP graphing calculator that I could never figure out how to work. It wasn’t until 2003 when Diego Diaz launched a series of modern expansion modules that we saw a quantum leap for the venerable calculator. The first alpha numeric handheld calculator with expansion ports for all kinds of programming extensions. It was easy to get used to the extra keys on the right. Monochromatic ultra high contrast (14:1) transflective memory LCD display, USB-Micro-B port, connects as USB mass storage device, IR Transmitter compatible with the original HP-82240A/B printer, 4 kHz resonance frequency Piezo-electric buzzer. Another quantum leap came with the HP-41CL by the brilliant Monte Dalrymple in 2010. Here, I want to send the program. It is a work of art. (DM42 is also not super inexpensive, but at least there its because its extremely well built and made in very small quantities). Like all SwissMicros calculators, the DM41X uses the efficient and time-tested RPN logic. I really like the few changes they did to the keyboard layout. The keys requires a much firmer press than the original, and the keys are not as tall and smaller in size. And what a clone it is! Timing a Program's Performance. The company has done a very good job at putting it all together - both hardware and software. No Rights Reserved. HP15C Limited EditionとDM42の処理スピードを比較してみました。SwissMicrosホームページhttps://www.swissmicros.com The DM41X does not make any “double-clicks”, but it does miss a key press now and then. A right clic on the emulator opens a menu. To round this off, I offer my comparison of the different versions in the development of the ultimate calculator: ¹ While the DM41X has 256KB of memory for modules, it has a total disk space of 6000KB to hold other stuff. One of the great advancements of this calculator is the ability to save and load “state files” of the whole calculator. The DM41X is metal. Print at 0.1 layer setting. Disclaimer: While we work to ensure that product information is correct, on occasion manufacturers may alter their ingredient lists.Actual product packaging and materials may contain more and/or different information than that shown on our Web site. The keyboard has one more column of keys, but the layout is mostly the same as the old lady. In the beginning it missed between 8 and 10 percent of my keystrokes - enough to be rather annoying. I’ve worked as a plasma physicist, a (mechanical) design engineer, and now as something in between1. Perhaps a little muddled here but I did a comparison between the HP42s and the new (and improved!) Today we have computing powers that far exceeds the capabilities of the HP-41 in our smart phones. Apart from a minor issue with some module, I haven’t encountered any software bug yet. With this, I simply saved the whole state of my beta unit, copied via USB to my PC and loaded it up in my new production unit and all the programs and Extended Memory was just like on my beta calc. Die Geräte wurden privat erworben, DM42 (SwissMicros) - Solving Various Engineering Problems From less than half a kilobyte of memory in the original HP-41C (“C” for Constant memory), we got five times more memory with the HP-41CV (“V” is the Roman numeral 5) in 1980 and 6 KB with the HP-41CX (eXpanded) in 1983. Perhaps too firm. Update (2020-12-25): The DM41X is now my primary calculator. This allows for adding modules or individual programs (it reads and writes programs in the RAW format), transferring screen shots (captured via Shift+DSP) or those Off-images or the state files. Livraison gratuite - Micro chaîne avec lecteur CD - Puissance totale de 60 Watts RMS - Technologie Bluetooth intégrée - Tuner FM/DAB/DAB+ - Prise casque - Sortie Mono pour caisson de basses And it has a fantastic quality 4 line LCD display with the same old cool HP-41 font :-) The display keeps a custom image displayed even when the calculator is off. I went to high school in the mid ‘90’s and got a TI-81(I think?) And because of its versatility, easy of programming and great keyboard, the HP-41 lived on among enthusiasts. We even got custom modules that expanded the memory to a whopping 32 KB back in the 80s. Packing every conceivable expansion pack to the calculator and with plenty of room to spare. version from Swiss Micros. The DM41X, another member of our flagship line-up of RPN calculators, is a faithful recreation of the software environment of the HP-41CX, one of the most versatile calculators ever created and the first alphanumerical calculator, in a modern hardware architecture. I am overjoyed. at some point in early high school. The calculator connects to your PC via micro-USB. HP-42s I bought the HP42s in 1991. By the time I got to college, it was mostly useless, particularly in physics courses. It opened up a World of possibilities from the palm of your hand. After 41 years the venerable HP-41 has got a well deserved upgrade. And this year saw another big event in the world of the ultimate calculator - the DM41X from the company SwissMicros. The keyboard has a firm feel to it. Now came the turn to clone the HP-41. The DM42 calculator is about the same size as the original HP42s (a bit smaller) despite the larger display and an extra row of function keys. The info includes any pending alarms (yes, the calculator has full time and date functionality just like my HP-41CX from 1983), current program, memory configuration and printer mode (it can print to an infrared printer using the built-in IR sender). Well it also may be the key layout. I really hope Swiss Micros implements the HP-IL protocol so that we can get data transfer via USB and also leverage all those HP-IL devices like multimeters, printers, plotters and other fun stuff. Thanks for the kind words. Stations in DM42 Based on the legendary HP-41CX, it runs on the SwissMicros Operating System (DMCP). But no keyboard overlays - yet. This revolutionary pocket calculator was used on board the Space Shuttle and was standard on every Concorde air plane. The DM41X, another member of our flagship line-up of RPN calculators, is a faithful recreation of the software environment of the HP-41CX, one of the most versatile calculators ever created and the first alphanumerical calculator, in a modern hardware architecture. Case made from stainless steel, matte black Physical Vapour Deposition (PVD) coated and laser engraved. It has a set of “OFF screens” that shows when the calculator is turned off… without draining battery. Powered by Jekyll w/modified Slate+Simple theme. Just insert a pin at the back of the calculator and it resets just nicely. Logical compatibility with existing HP expansion modules. Link to this post: https://isene.org/2020/03/DM41X.html. For me the most critical aspect of a calculator is the keyboard and that it does not miss any key presses and does not make any double entries upon pressing. You can take screenshots by pressing and holding [SHIFT] and [DSP]. It has two modes - one with four lines of the original font, 12 characters wide and one with two lines at the bottom and three lines of nifty information on the upper part. Being very knit-picky it is still annoying, but I hope me using it more will bring the failure rate further down. gbraad 51 days ago. That was all the exposure I’… The DM41X does not make any “double-clicks”, but it does miss a key press now and then. The DM41X's connectivity interface is in line with the DM42's connectivity interface. With the HP Interface loop (HP-IL) you could hook the machine up with dozens of devices from printers and plotters to electrical or chemical lab equipment. Cool shit. The Swiss Micros calculators DM41 (including the DM41L, DM41X, Hewlett Packard HP 41CX, HP41C with a Time Module installed) and DM42 have an internal clock which allows us to set the date and time on the calculator. There has been 430 program expansion packs created up through the years with applications for every thinkable purpose - from mathematics, physics and astronomy to aviation, engineering, finance, gambling, games and insulin dosage. It sadly does not offer the possibility to transfer data in real-time like with the HP-IL of the original HP-41s. They already make the DM42, with a large display. neilpanchal 56 minutes ago. You name it, the 41’s got it. World's Most Precise RPN Calculators. The original HP-41 was made of plastic and is prone to failure as the plastic brittles over the years. Three piece case for Swiss Micros' DM42 and DM41X calculators. But as I kept on using it, I guess I started pressing the keys harder and the failure rate is down to around 1%. But I had heard good things, and also wanted to support the effort overall — both by encouraging the good engineering of low-volume products for enthusiasts, and in the hopes that by supporting Michael Steinmann and his company that we’ll see other interesting things (the work on the DM42 is an excellent example of this). Unboxing a Swiss Micros DM42. For me this is a big drawback as I use my calculator to store data that I need to transfer to my PC (like registered billable hours, observation lists for my telescope, etc.). madengr 51 days ago. Over the years, the HP-41 family of equipment was expanded - until Hewlett Packard discontinued the production of the calculator in 1990. When it was introduced to the market in the spring of 1979, the HP-41 calculator was heralded as “the most versatile machine ever”. Easily share or back up your programs or your entire DM41X environment and use hundreds of existing, professionally developed software applications with this rugged calculator sporting a stainless steel case and a Gorilla Glass screen. Select DM-15/Write. In the beginning it missed between 8 and 10 percent of my keystrokes - enough to be rather annoying. Der 41L ist für mich ein guter Kompromiss aus beiden. Buy the DM41X. EDIT: actually, porting oK to the DM41x might be the best option (putting stickers on remapped keys). HP-48sx I bought the HP48 in 1992 but I did not use it too much. A lot of really awesome things could be done but without a bigger market it's hard to justify the development costs and manufacturing NREs. But there is a large degree of throwback HP fanboyism. By Geir Isene (2021). DM41X vs. DM42 (German with English subtitles) DM41X vs. DM42 (German with English subtitles) von N. A. McBee vor 3 Monaten 4 Minuten, 27 Sekunden 1.636 Aufrufe Ein kleiner Performance-Vergleich zwischen den beiden, der keinerlei Wertung beinhaltet! I’m a physicist by training. Page 1/2. This small company had been crafting clones of HP calculators for years. Product is not available in this quantity. While the supplied images are neat, I decided to delete them all and leave only one I made myself - with my name and contact information in case I misplace it and a finder decides to return it. At about one third of the price I paid for my HP-41CX back then, I got a DM41X now. Simply plug the DM41X with a USB-Micro B port, then on the calculator press [shift], [USR] (SETUP), 1 for File, 5 for Activate USB Disk. It runs the old HP-41 Operating System but with a FAST mode that makes use of the modern speedy processor. The DM41X now acts as a USB storage device like a smart phone. And with the corona virus raging, I’ve had plenty of time to give my new toy a real run for the money. DM42 … And by the way, that LCD screen is awesome. Faster and more advanced calculators with more than a one line LCD display - and even graphical display capabilities, took over the market. © Copyright 2012-2021. But they don’t have buttons for input, has nowhere near the 6 month battery capacity and is much harder to program. This was the model and the year I bought my first HP-41. If for some reason you set up an illegal module configuration, there is a much easier way to reset the calculator than was often the case with the original 41. Der DM42 ist wiederum nochmal vielseitiger - dafür aber auch ein Stück größer, zudem hatte sich zwischenzeitlich ein HP48SX bei mir eingefunden, womit momentan kein Bedarf für ein weiteres Gerät dieser Größe besteht. It is slimmer. I am confident this will be available through a firmware upgrade in the future. There are currently 803865 stations and 27630 squares in the database. The keyboard no longer miss any keystrokes, it clicks firmly and is a real joy to use. The final version is due in a few months. But they cost a fortune. And did I tell you about that excellent LCD screen? I received my beta unit just last week. 2xDM15L, DM41L, DM42 SN#00855 (+one lost during shipping), DM41X #00707 TI-89 titanium, CASIO fx-cg50 (to play with micropython) There are three kinds of people in the world: those who know math and those who don't. But as I kept on using it, I guess I started pressing the keys harder and the failure rate is down to around 1%. DM1x/DM41 Forum for discussion of the DM10, DM11, DM12, DM15, DM16 and DM41 units Even to a modem or other computers. I think it served primarily to hold books open to the right pages. If you are looking for the ultimate calculator - look no further. DM41X vs. DM42 (German with English subtitles) DM41X vs. DM42 (German with English subtitles) by N. A. McBee 3 months ago 4 minutes, 27 seconds 1,636 views Ein kleiner Performance-Vergleich zwischen den beiden, der keinerlei Wertung beinhaltet! Update (2020-10-15): Having bought a final production unit of the DM41X, I can report that the keyboard issues of the beta version has been fully addressed. With a magnetic card reader, cassette tape or floppy drive you could store programs and data. Comparison look and feel with a sample of the historical HP range. A very powerful calculator with a lot of functions. Genius engineering added a whopping 64 KB in an affordable package. DM41 and DM42: Self Timing Programs. Select what you want to send. At this time I am only waiting for a way to programatically send and receive data from/to the unit. DM41X vs. DM42 (German with English subtitles) DM41X vs. DM42 (German with English subtitles) by N. A. McBee 3 months ago 4 minutes, 27 seconds 1,436 views Ein kleiner Performance-Vergleich zwischen den beiden, der keinerlei Wertung beinhaltet! The faded user base rejoiced and a renaissance dawned for the 41. 35s - better injection moulding, but DM42 has better key feel. At the moment the DM41X is in beta release. Then, plug the DM-15 in mode "SERIAL CONSOLE". SwissMicros GmbH. The ultimate calculator sees an upgrade with the DM41X. Physical RPN Calculators with real buttons. And the DM42 runs free42, ... source is on their github.
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