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Topic: HP 41C


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In the News (Fri 25 Dec 09)

  
  HP Computers and Accessories from Hewlett-Packard.  HP!
HP was founded in 1939 as a manufacturer of test and measurement instruments with a US$538 investment in a Palo Alto, CA garage by Bill Hewlett and Dave Packard.They had both graduated from Stanford University in 1934.
HP is recognized as the symbolic founder of Silicon Valley, although it did not actively investigate semiconductor devices until a few years after the "Traitorous Eight" had abandoned William Shockley to create Fairchild Semiconductor in 1957.
HP is also known in the (GNU/)Linux community for releasing drivers for many of their printers under the GNU GPL.
www.gorillashopper.com /hp.htm   (1503 words)

  
 Science Fair Projects - HP-41
HP's competitor Sharp, when introducing the PC-1211, used a dot matrix of 5×7 dots and displayed the characters in principle as we see them today on computer screens (and, in fact, many LCD screens on various embedded systems); this was later used by HP with the HP-71 handheld computer.
HP designed the Quad Memory Module with four times the amount of memory, providing the maximum available memory and leaving three empty ports available.
The internal architecture prohibited the addition of more memory, so HP designed an extended memory module that could be seen as secondary storage.
www.all-science-fair-projects.com /science_fair_projects_encyclopedia/HP-41   (1123 words)

  
  HP-41   (Site not responding. Last check: )
HP's competitor Sharp, when introducing the PC-1211 used a dot matrix of 5×7 dots, and displayed the characters as we see them today on computer screens (and, in fact, many LCD screens on various embedded system s); this was later used by HP with the HP-71 handheld computer.
HP designed the Quad Memory Module with four times the amount of memory, providing the maximum available memory and leaving three empty ports available.
The internal architecture prohibited the addition of more memory, so HP designed an extended memory module that could be seen as secondary storage.
www.serebella.com /encyclopedia/article-HP-41.html   (918 words)

  
 HPCC : HP-41C/CV/CX
Described in one HP brochure as "Unsurpassed in terms of software, expandability and versatility, these are the calculators that grow with your needs." The HP41 series of calculators were considered by many people to be the ultimate calculator.
HP's first attempt at correcting this problem was the Quad memory module which allowed full expansion of user memory whilst using only 1 slot.
HP also ensured that the HP41 remained competitive against newer more mathematically powerful calculators by bringing out the Advantage Module which added some of the financial functions of the HP-12C, complex number and matrix handling like those on the HP-15C and computer science funtions like those of the HP-16C.
www.hpcc.org /calculators/hp41.html   (640 words)

  
 HP Celebrates 35 Years of Handheld Calculator Innovation
He personally challenged HP engineers to develop a scientific calculator that was small enough to tuck into a shirt pocket.
HP went on to develop advanced handheld calculators such as the HP-41C – the first programmable, alphanumeric handheld.
HP recognized the need for users to easily solve for a fifth unknown variable in basic financial calculations and designed new top row keys to answer this real-life challenge.
h20331.www2.hp.com /Hpsub/cache/457008-0-0-225-121.html   (1948 words)

  
 The Old Joel on Software Forum - Calculator recommendation needed
HP are getting (or have got) out of the calculator business, but they still did a high-end graphing calculator with (optional) RPN last I looked.
HP is really the best for a long term purchase (I am still using daily my 8 years old HP48).
What made HP calculators stand out back then were 2 things: First was the Reverse polish notation (RPN), which as several people in this thread have noted is a beautiful thing that will make you dread ever using another algebraic caclulator where you have to enter parentheses to keep track of things.
discuss.fogcreek.com /joelonsoftware/default.asp?cmd=show&ixPost=60132   (1056 words)

  
 Zophar's Domain: HP Calculator Emulators   (Site not responding. Last check: )
HP 12c No documentation, but it appears to do a satisfactory job.
HP 41c Mediocre graphics, but it is functionally decent.
HP 41c With much-improved graphics, and feature-equivalence, this is the better choice for 41c emulation.
www.zophar.net /hp.html   (56 words)

  
 Hewlett Packard and HP Printers   (Site not responding. Last check: )
At first HP called it a desktop calculator, because co-founder Bill Hewlett was afraid that it would be rejected by customers because it didn’t look like an IBM computer.
HP introduced the world's first handheld scientific electronic calculator in 1972 (the HP-35), the first handheld programmable in 1974 (the HP-65), and the first alphanumeric, programmable, expandable in 1979 (the HP-41C).
HP is acknowledged as the founder of Silicon Valley, even though it didn’t pursue semiconductor devices until 1957.
www.paperscorner.com /hp_printers.html   (427 words)

  
 HP-41C
HP was running out of keyboard space for new functions, and many users found it difficult write and use numeric-only programs.
To make it easy to remember keyboard assignments, HP provided keyboard overlays along with preprinted labels for all built-in functions and blank labels for user functions.
To keep the HP-41 clearly at the top-of-the-line, HP released the Advantage Module which added improved mathematical functions including matrix support, computer science functions (bases, conversions etc.), and financial functions.
www.hpmuseum.org /hp41.htm   (1937 words)

  
 HP CALCULATOR HISTORY - Models
The early HP handheld calculators were all known simply by a model number; HP-35, HP-80, HP-45, HP-65, HP-90, HP-25 and so on.
The first HP calculator with a letter as well as a number was the HP-25C - this was a version of the HP-25 with "Continuous Memory", in other words the contents of memory were not lost when the calculator was turned off.
After the HP-94 series, HP went back to just a "C", with the HP-18C and the HP-28C, but these were replaced by the HP-19B and the HP-28S, where the "B" and "S" stood for Business and Scientific.
www.xnumber.com /xnumber/WMJ_models.htm   (1096 words)

  
 IGM: Fiorina Departure Leaves 7 Female CEOs in 500
HP CEO Carly Fiorina's surprise departure Wednesday has reduced the ranks of female CEOs in the Fortune 500 to a mere seven, The Wall Street Journal reports.
I wish the HP board has the guts to get somebody in to try and undo the damage Fiorina has done, including selling off Compaq and reversing the merger, but I guess the damage is irreversible now.
Instead of saying HP is the #2 computer company, it would be more accurate to say HP is the #1 printer company with a long term give-away-computers campaign, because that's what they do.
www.insanely-great.com /news.php?id=4353   (1686 words)

  
 The HP 48SX scientific expandable calculator: innovation and evolution Hewlett-Packard Journal - Find Articles
For example, in the academic field, the HP 41C was very popular in college engineering departments, but it had little appeal to mathematics instructors.
Engineering departments have been much slower to adopt the HP 28S, since it does not have the software exchange capabilities they are accustomed to with the HP 41C.
Similarly, the HP 41C was very popular with surveyors, but the HP 28S is of limited use in this field because of its lack of I/O capability.
www.findarticles.com /p/articles/mi_m0HPJ/is_n3_v42/ai_10916458   (796 words)

  
 The Museum of HP Calculators
The Museum of HP Calculators displays and describes Hewlett-Packard calculators introduced from 1968 to 1986 plus a few interesting later models.
There are also sections on calculating machines and slide rules as well as sections for buying and selling HP calculators, an HP timeline, collecting information and a software library.
The Museum of HP Calculators and the museum curator are not affiliated with the Hewlett-Packard Company.
www.hpmuseum.org   (129 words)

  
 Hp 41C - Abixu
HP - HP iPAQ série rw6815 chez Cdiscount
HP StorageWorks Data Protector Express is easy to install easy to use and easy to manage backup and recovery...
hp 21 : 1975-78 > hp 22 > hp 25 et 25c : 1975-78 > hp 27 > hp 29c : 1977-1979 > hp 67 : 1976-84 > hp32 : 1978-83 > hp33 : 1978-83 > hp34 : 1979-83 >
www.abixu.com /Hp+41C   (669 words)

  
 HP CPU and Programming
The hardware technology used in HP calculators improved steadily over the years, moving from multichip to single chip designs with greater speeds and capabilities.
The HP calculator CPUs were optimized for floating point numbers.
This code segment is from the HP Journal (used with permission.) Sign nibbles are 0 if positive, 9 if negative.
www.hpmuseum.org /techcpu.htm   (1282 words)

  
 hp-41c
the 41c, first introduced in 1979 was another breakthrough for hp.
the 41c has 63 registers' worth of storage.
You can run this program yourself without having to have a 41c using the excellent v41 emulator here.
www.voidware.com /calcs/hp41c.htm   (362 words)

  
 [No title]
HP today announced that Dallas-based IT Infrastructure Management LLC, which operates under the ManageOne name, and the UK's CEC Europe Service Management were acquired for undisclosed sums.
HP has now included SuSE Enterprise Server 8 on its corporate price list for one- to four-processor Integrity servers.
In addition, HP has sent out a beta of Version 8.1 of the OpenVMS operating system for Itanic boxes.
www.lycos.com /info/hp--miscellaneous.html?page=2   (392 words)

  
 Tic-Tac-Toe Algorhithm & HP-41c Implementation
Obviously, each time the 41c is required to make a move, it must look at all nine win lines (in the worst case).
Now, what happens if we add 1 to the appropriate registers when the 41c moves, and subtract 1 when its opponent moves.
The 41c will then respond with either its first move, or the message, "YOU GO FIRST", depending upon the first RN chosen.
www.rath.ca /Misc/HP-41c/tic-tac-toe.html   (891 words)

  
 [No title]
HP arrives at the 17 per cent figure like this: a 49-way blade with 700MHz PIIIs, 512MB of RAM and 90GB of disk will be $138,615.
Slightly more than a Compaq DL320, but HP reckons on $40,000 saving in hosting facility floor space, and $20,000 lower electricity costs over three years.
Revenues increased by 9.4 percent in fiscal 2004 and net income was up 37 percent, thanks largely to cost-cutting efforts associated with the Compaq merger.
www.lycos.com /info/hp--buy-compaq.html   (294 words)

  
 Too Many Calculators
An HP-41C (1981): This was the first of the HP hand calculators to use an LCD display rather than an LED.
An HP-71B (1984): This was one of HP's forays into the world of handheld "computers" that were programmable in BASIC.
An HP-11C (1985): The HP 10 through 16 series is an interesting contrast to the HP-41C/CV/CX - more of a replacement for the 30 series and a traditional calculator (and at $130, a lot cheaper).
www.phys.uwosh.edu /mike/calcs.html   (1786 words)

  
 The Dispatch - Serving the Lexington, NC - News
The calculator had a special user mode where the user could assign any function to any key if the default assignments provided by HP were not suited to a specific application.
HP's competitor Sharp, when introducing the PC-1211, used a dot matrix of 5×7 dots and displayed the characters in principle as we see them today on computer screens (and, in fact, many LCD screens on various embedded systems); this was later used by HP with the HP-71B handheld computer.
The Museum of HP Calculators' article on the HP-41 series
www.the-dispatch.com /apps/pbcs.dll/section?category=NEWS&template=wiki&text=HP-41   (981 words)

  
 Mechanical design of the HP 48SX memory card and memory card connector Hewlett-Packard Journal - Find Articles
For the HP 48SX, R&D was faced with the challenge of incorporating plug-in modules into a calculator for the first time since the HP 71 B (introduced in February 1984).
To meet the goal of manufacturing leverage, the connector for the HP 48SX had to be surface mounted, be suitable for infrared reflow soldering, and be strain relieved using heatstakes.
Overall thickness is 0.094 inch, which allows the HP 48SX to accommodate two stacked cards in the same thickness as one HP 41 C module.
findarticles.com /p/articles/mi_m0HPJ/is_n3_v42/ai_10916468   (852 words)

  
 I'm Trying To Think, But Nuthin' Happens!
It was exciting to see on Slashdot that HP is releasing some very cool new calculators.
There was a lot to love about those HP calculators, and I will always be grateful for the lessons I learned about optimizing and efficiency by programming a device with 99 steps, 20 memory locations, RPN, and a 7 ips processor!
I have asked HP people repeatedly (remember, HP claims to be a major Java supporter) to have the vision and insight to release a radical HP programmable calculator with Java built in, an I/R interface with learning remote capability, and connectivity for kids to share programs.
jroller.com /page/rickross?entry=hp_back_in_the_game   (406 words)

  
 OLD-COMPUTERS.COM : The Museum
This was the good occasion for Hewlet-Packard to introduce a laptop computer when IBM and Apple were not yet on this part of the market.
The HP-110 is somehow compatible with its big brother, the HP-150, and can communicate with HP "calculators" like the HP-41c.
One year later, HP presented the HP-110 Plus with bigger screen, more memory upgrade and the possibility to change the internal ROM software.
old-computers.com /museum/computer.asp?st=1&c=445   (208 words)

  
 Loyd Case: A Trip Down Memory Lane with Hewlett-Packard & Compaq
HP was also the place to be to learn problem-solving skills, and that also still lives with me to this day.
HP was definitely focused on technology at the time, and engineers--or anyone with good technical chops--ruled the roost.
But what HP was most famous for at the time was a management philosophy that came to be dubbed the "HP Way".
www.extremetech.com /article2/0,1558,21218,00.asp   (1784 words)

  
 Sample chapter ~ Frank Wales ~ Limitless Innovations
Those people had all seen what was great about HP calculators, and had absorbed some of the values of HP as a result.
However, they also carried the virus of HP values, able to infect susceptible individuals, and lure them into thinking that excellence and high quality are worthwhile and attainable, and worth striving for.
In fact, the type of loan I took out is called "hire purchase", where you make regular payments, but the item is legally only on hire to you from the loan company until the final payment is made, at which point you have actually purchased it.
www.limov.com /rcl20/chapter.lml   (1850 words)

  
 Hp 41cx Current Listings   (Site not responding. Last check: )
HP 41CX case, memory modules, port covers, overlays
HP Hewlett Packard 41CX 41 CX 41-CX Calculator
HP 41cx 41cv HP41cx Structural Analysis Pac HP14024
www.chnwallpaper.com /hp-41cx.html   (149 words)

  
 eBay Australia Guides - How to best sell a HP pocket calculator
Because vintage HP calculators are collectible and valuable assets today, the better your description is, the more money you can get for it.
Don’t listen at people who will try to convince you to conclude the transaction before the end of the auction for a couple of dollars by proposing you a quick ‘buy it now’ transaction, most of the time, you will obtain more at the end of the auction than the proposed amount.
You can describe here what your return and warranty policy is. All HP vintage calculators are not anymore under warranty nevertheless, if your calculator is in mint condition, you can take the risk to propose it with a warranty period.
reviews.ebay.com.au /How-to-best-sell-a-HP-pocket-calculator_W0QQugidZ10000000002255484   (1613 words)

  
 HP Calculator Memory Sizes
But in 1972, HP engineers knew that the customer was going to have to pay for every transistor and every bit of memory in the product, and did an incredible job of conserving both.
This document gives the memory sizes for the first four generations of HP handheld calculators, related desktop calculators, and a watch.
Only one Quad Memory module may be used, and it may not be used in combination with the HP 82106A.
www.brouhaha.com /~eric/hpcalc/memory_size.html   (828 words)

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