HubHip: Recreation: Collecting: Computers: Calculators (0)

   Calculators

• Bring Back the HP 15C (Site) - Fans of the 15C want Hewlett-Packard to put it back in production. Find a list of reasons to bring it back, the reason it was discontinued in the first place, and an online petition.
• Mechanical Calculating Machines (Site) - Mechanical calculating machines from a collector's point of view, with articles and links to relevant sites.
• The Famous Slide Rule Page (Site) - Pictures and descriptions of The Castell Addiator and The Rapid-Calcolo.
• The Museum of HP Calculators (Site) - Information about every HP calculator made since 1968. Includes photo gallery, old advertisements, operating instructions, pricing information and discussion forum.
• The X-Number World of Calculators (Site) - A collection of articles about the history of calculators, mechanical and electronic. Also, a number of on-line calculators, recommended books, and a vintage collectors forum.
• Museum of Pocket Calculating Devices (Site) - A gallery containing many varieties of pocket calculators, slide rules, and abacuses.
• Rick Furr's Calculator Reference Page (Site) - A collection of information about HP, TI and Curta calculators. Includes articles and many related links.
• Calculator Technical Information (Site) - Technical information about many calculators, including chip pinouts and self-test sequences, and patent information.
• Electronic Calculator History and Technology Museum (Site) - Preserving the history of electronic calculators with information and photographs of early desktop and pocket calculators.
• The Old Calculators Web Museum (Site) - Virtual museum of vintage mechanical and electronic desktop calculators from the late 1950s through the late 1970s
• Casio FX-700P Programmable Calculator (Site) - Technical information about hardware, interfacing, and programming of this vintage device. Includes a construction project for a storage device to emulate the original FA-3 cassette interface.
• Museum of Soviet Calculators (Site) - Displays handheld and desktop calculators from the 1900s to the present, showing interesting features of each.
• Calculator's Pages (Site) - A collection of early mechanical calculating machines and other calculating devices.
• Be Calc (Site) - Serge Devidts' collection of vintage electronic calculators and some other pieces of old technology.
• Old HP and TI Calculators (Site) - Photographs and information about HP and TI calculators, including many programs.
• Programmable Calculators (Site) - A collection of programmable and non-programmable calculators and accessories, with articles and repair notes.
• Anita Calculator Simulators (Site) - A collection of Sumlock Anita calculators and simulators, and related devices associated with the Sumlock factory in Portsmouth, UK, in the 60s and 70s.
• EEC - Early Electronic Calculator Technology Reference (Site) - A source of information about the technology used in the construction of early electronic calculators. Includes a reverse-engineering project.
• Vintage Calculators (Site) - A celebration of old calculators showing the evolution from mechanical calculator to hand held electronic calculator.
• Soviet Calculators History (Site) - Article about the history of the development of Soviet calculators, the features and interesting characteristics of the most relevant models are described.
• Vintage Calculators (Site) - Information and lists of vintage and classic calculators, primarily Hewlett-Packard and Texas Instruments.
• Gregory Escov's homepage (Site) - Some articles about Russian made calculators, including undocumented features and error conditions.
• Collection of Calculators, Portable Computers and Vintage Electronics (Site) - Calculators from the '70s, and famous home and personal computers from '80s. Photos, historic information and links to other resources.
• Datamath Calculator Museum (Site) - An overview of the calculators manufactured by Texas Instruments Inc. from the famous Datamath (1972) to the modern Graphics calculators, with history and articles.
• The Old Calculator Web Museum (Site) - Photographs of the exterior and interior of many vintage mechanical and electronic calculators. Also includes vintage advertisements and technical literature.
• Yahoo! Groups : oldcalcs (Site) - Bulletin board for collectors of old electronic calculators.
• Using and Collecting HP Calculators (Site) - Information about various HP calculator models, with photographs. Includes instructions on using some of the special functions of some models.
• Curta Calculating Machines (Site) - Links to useful sites about the Curta. Also documents the full disassembly of one, with pictures.
• Reverse-Engineering the HP-75C (Site) - General information about the HP-75C.
• Calculator Collecting (Site) - Webring designed to allow navigation between similar sites dealing with the hobby of collecting, and history of electronic calculators.
• Texas Instruments 59 (Site) - All about the TI-59 programmable calculator, with photographs and information about accessories, documentation and programs.
• Soviet Calculators Collection (Site) - Pictures of calculators from the former USSR. Includes advertisements, articles, and a guestbook. English and Russian languages.
• Calculating Machines (Site) - The private collection of the Dutch collector Nico Baaijens of mechanical, electro-mechanical and electronic counting, adding and calculating machines. Many pictures and close-ups.
• Stellatron Calculators (Site) - An A-Z index of manufacturers, with product photographs, and a timeline of model releases.
• HP Collection (Site) - Matthias Wehrli's collection of HP calculators and accessories. Includes photographs and specifications for items in the collection.
• HP-41 Archive Site (Site) - A library of information about the HP-41 series calculators, with emulators, publications, FAQ, and related links.
• Illustrated Calculating Machines by Ernst Martin (Site) - English translation of the most important book on calculating machines "Rechenmaschinen" by Ernst Martin is illustrated on this site. Includes .pdf version of the book, pictures of the machines, production years, and articles.

• Bring Back the HP 15C (Site) - Fans of the 15C want Hewlett-Packard to put it back in production. Find a list of reasons to bring it back, the reason it was discontinued in the first place, and an online petition.
• Mechanical Calculating Machines (Site) - Mechanical calculating machines from a collector's point of view, with articles and links to relevant sites.
• The Famous Slide Rule Page (Site) - Pictures and descriptions of The Castell Addiator and The Rapid-Calcolo.
• The Museum of HP Calculators (Site) - Information about every HP calculator made since 1968. Includes photo gallery, old advertisements, operating instructions, pricing information and discussion forum.
• The X-Number World of Calculators (Site) - A collection of articles about the history of calculators, mechanical and electronic. Also, a number of on-line calculators, recommended books, and a vintage collectors forum.
• Museum of Pocket Calculating Devices (Site) - A gallery containing many varieties of pocket calculators, slide rules, and abacuses.
• Rick Furr's Calculator Reference Page (Site) - A collection of information about HP, TI and Curta calculators. Includes articles and many related links.
• Calculator Technical Information (Site) - Technical information about many calculators, including chip pinouts and self-test sequences, and patent information.
• Electronic Calculator History and Technology Museum (Site) - Preserving the history of electronic calculators with information and photographs of early desktop and pocket calculators.
• The Old Calculators Web Museum (Site) - Virtual museum of vintage mechanical and electronic desktop calculators from the late 1950s through the late 1970s
• Casio FX-700P Programmable Calculator (Site) - Technical information about hardware, interfacing, and programming of this vintage device. Includes a construction project for a storage device to emulate the original FA-3 cassette interface.
• Museum of Soviet Calculators (Site) - Displays handheld and desktop calculators from the 1900s to the present, showing interesting features of each.
• Calculator's Pages (Site) - A collection of early mechanical calculating machines and other calculating devices.
• Be Calc (Site) - Serge Devidts' collection of vintage electronic calculators and some other pieces of old technology.
• Old HP and TI Calculators (Site) - Photographs and information about HP and TI calculators, including many programs.
• Programmable Calculators (Site) - A collection of programmable and non-programmable calculators and accessories, with articles and repair notes.
• Anita Calculator Simulators (Site) - A collection of Sumlock Anita calculators and simulators, and related devices associated with the Sumlock factory in Portsmouth, UK, in the 60s and 70s.
• EEC - Early Electronic Calculator Technology Reference (Site) - A source of information about the technology used in the construction of early electronic calculators. Includes a reverse-engineering project.
• Vintage Calculators (Site) - A celebration of old calculators showing the evolution from mechanical calculator to hand held electronic calculator.
• Soviet Calculators History (Site) - Article about the history of the development of Soviet calculators, the features and interesting characteristics of the most relevant models are described.
• Vintage Calculators (Site) - Information and lists of vintage and classic calculators, primarily Hewlett-Packard and Texas Instruments.
• Gregory Escov's homepage (Site) - Some articles about Russian made calculators, including undocumented features and error conditions.
• Collection of Calculators, Portable Computers and Vintage Electronics (Site) - Calculators from the '70s, and famous home and personal computers from '80s. Photos, historic information and links to other resources.
• Datamath Calculator Museum (Site) - An overview of the calculators manufactured by Texas Instruments Inc. from the famous Datamath (1972) to the modern Graphics calculators, with history and articles.
• The Old Calculator Web Museum (Site) - Photographs of the exterior and interior of many vintage mechanical and electronic calculators. Also includes vintage advertisements and technical literature.
• Yahoo! Groups : oldcalcs (Site) - Bulletin board for collectors of old electronic calculators.
• Using and Collecting HP Calculators (Site) - Information about various HP calculator models, with photographs. Includes instructions on using some of the special functions of some models.
• Curta Calculating Machines (Site) - Links to useful sites about the Curta. Also documents the full disassembly of one, with pictures.
• Reverse-Engineering the HP-75C (Site) - General information about the HP-75C.
• Calculator Collecting (Site) - Webring designed to allow navigation between similar sites dealing with the hobby of collecting, and history of electronic calculators.
• Texas Instruments 59 (Site) - All about the TI-59 programmable calculator, with photographs and information about accessories, documentation and programs.
• Soviet Calculators Collection (Site) - Pictures of calculators from the former USSR. Includes advertisements, articles, and a guestbook. English and Russian languages.
• Calculating Machines (Site) - The private collection of the Dutch collector Nico Baaijens of mechanical, electro-mechanical and electronic counting, adding and calculating machines. Many pictures and close-ups.
• Stellatron Calculators (Site) - An A-Z index of manufacturers, with product photographs, and a timeline of model releases.
• HP Collection (Site) - Matthias Wehrli's collection of HP calculators and accessories. Includes photographs and specifications for items in the collection.
• HP-41 Archive Site (Site) - A library of information about the HP-41 series calculators, with emulators, publications, FAQ, and related links.
• Illustrated Calculating Machines by Ernst Martin (Site) - English translation of the most important book on calculating machines "Rechenmaschinen" by Ernst Martin is illustrated on this site. Includes .pdf version of the book, pictures of the machines, production years, and articles.
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• Bankrate.com provides bcalculatorsb for adjustable (Post) - Bankrate.com provides calculators for adjustable and fixed rate mortgages and a home loan mortgage calculator.
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• Calculators A Boon Or A Bane (Post) - Then came calculators designed to simplify all those complicated mathematical calculations. In the beginning, these electronics devices were very expensive. This was because the mechanical and electrical parts of the calculator were ...
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• Cheap bCalculatorsb (Post) - Calculators are basic tools which help a person deal with simple and complex computations Calculators have been around the world since the late 1960s but not until the 1980s that this work of genius became available to majority of the ...
• Calculators A Good luck Hospital room A Affliction (Post) - A reckoner is a pattern, commonly hand-held, for hard mathematical expressions. Inwards the past, calculations were done inwards the word, on paper operating theatre by a semi-manual machine. But, this appendage of semi-manual ...
• Random numbers (Post) - The problem with this method is that (as with any computer program) given the same input you’re going to get the same output every time. And indeed this was a problem with some home computers and calculators in the 80s - if you tried to ...
• School swapping bcalculatorsb for bcomputersb (Post) - BRISTOL TOWNSHIP SCHOOLS - Sakia Smith credits a laptop computer she has been using for the past couple of months in her Algebra II class with helping to improve her academic performance.
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• Podcast Update a little late May 21, 2008 (Post) - My Dad was a mathematician and engineer by trade. This was back in the day when doing such things meant working out problems manually, with graph paper at the ready and a slide rule available if need be. Calculators? Computers? ...
• Charles Babbage and his Difference Engine 2 (Video) -
• School swapping bcalculatorsb for bcomputersb phillyBurbs.com (Post) - School swapping calculators for computersphillyBurbs.com, PA - 26 minutes agoHer laptop is one of 210 portable computers the district received through a Classrooms for the Future grant to install in 24 Truman classrooms, … ...
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• Cheap bCalculatorsb (Post) - An effort quite a means of making a mistake, students and health professionals should not forget that the calculators are unlike computers insofar as they produce results on the basis of contributions and are not equipped with other ...
• Computer (Post) - ... and Wilhelm Schickard’s 1623 device was the first of a number of mechanical calculators constructed by European engineers. However, none of those devices fit the modern definition of a computer because they could not be programmed. ...
• Calculators (Post) - Calculators are a nifty little application for computers. They aren’t as limited or inflexible and actual physical ones you buy at the store. A pretty standard calculator comes with Windows. But if you want more options look online. ...
• Calculators (Post) - Kensington Wireless Notebook Keypad/Calculator and Mouse Set 72273This wireless optical mouse set includes an ergonomic keypad that doubles as a stand-alone calculator. Handy mode switch lets you quickly make and enter calculations then ...
• Calculators A Good luck Hospital room A Affliction (Post) - A figurer is a pattern, unremarkably hand-held, for conniving mathematical expressions. Inwards the past, calculations were done inwards the word, on paper operating theatre by a semi-manual machine. But, this outgrowth of semi-manual ...
• SELL Collapsible Electronic Calculators (Post) - Item No:DT-203A Functional: 8 Digits Display Big Display Wimple Type Metal panels Comfortable rubber keybord Click sound Size:88x56x15mm Weight:48g We currently have over 500 types available. We are confident to meet your demand upon ...
• Calculators A Good luck Hospital room A Scourge (Post) - A computer is a figure, ordinarily hand-held, for shrewd mathematical expressions. Inwards the past, calculations were done inwards the word, on paper operating theatre by a semi-manual machine. But, this plant process of semi-manual ...
• Online Poker Tools (Post) - Some of the tools available are odds calculators which analyse the probabilities for games such as Texas Hold’em, Omaha and Seven Card Stud poker, and tournament equity calculators. Whilst they may not directly assist a player while ...
• Calculators A Good fortune Surgery A Curse (Post) - A reckoner is a design, commonly hand-held, for conniving mathematical expressions. Inwards the past, calculations were done inwards the word, on paper operating theatre by a semi-manual machine. But, this appendage of semi-manual ...
• Mathematics (Post) - We have calculators, computers, and future machines to supplement us, but WE must want to learn math. There is no substitute for inspiration and determination. Either we take on the challenge to learn or others will own and rule our ...
• Calculators A Good fortune Surgery A Scourge (Post) - A reckoner is a pattern, commonly hand-held, for conniving mathematical expressions. Inwards the past, calculations were done inwards the word, on paper hospital room by a semi-manual machine. But, this appendage of semi-manual ...
• Determine Value Home Loan With Mortgage Calculators (Post) - Calculator for mortgage payment is great way to help people for getting a mortgage. Use an online calculator is simply and easily to accessible. It allow you to get your interest...
• Calculators A Boon Or A Bane (Post) - A calculator is a device, usually hand-held, for calculating mathematical expressions. In the past, calculations were done in the head, on paper or by a semi-manual machine. But, this process of semi-manual calculation was ...
• Calculators A Good luck Surgery A Scourge (Post) - A estimator is a pattern, ordinarily hand-held, for hard mathematical expressions. Inwards the past, calculations were done inwards the word, on paper surgery by a semi-manual machine. But, this appendage of semi-manual procedure was ...
• Introduction to Digital Logic Design (Post) - Calculators, computers, are the examples of digital systems, which are widely used for commercial and business data processing. The most important property of a digital system is its ability to follow a sequence of steps to perform a ...
• Calculators A Good luck Hospital room A Scourge (Post) - A estimator is a pattern, commonly hand-held, for calculative mathematical expressions. Inwards the past, calculations were done inwards the word, on paper surgery by a semi-manual machine. But, this appendage of semi-manual computation ...
• Cheap bCalculatorsb (Post) - Quite an effortless way to make a mistake; students and professionals alike should remember that calculators are unlike computers in that they give results based on inputs and are not equipped with other programs capable of identifying ...
• Calculators A Good fortune Surgery A Scourge (Post) - A computer is a design, ordinarily hand-held, for conniving mathematical expressions. Inwards the past, calculations were done inwards the word, on paper surgery by a semi-manual machine. But, this enation of semi-manual procedure was ...
• Computers (Post) - The ability to store and execute lists of instructions called programs makes computers extremely versatile and distinguishes them from calculators. The Church-Turing thesis is a mathematical statement of this versatility: Any computer ...
• Calculators A Good luck Operating theatre A Affliction (Post) - A computer is a design, ordinarily hand-held, for calculative mathematical expressions. Inwards the past, calculations were done inwards the word, on paper surgery by a semi-manual machine. But, this outgrowth of semi-manual procedure ...
• New articles from bComputersb (Post) - Cheap Calculators By: David H. Urmann | 23/05/2008 | Computers Calculators are basic tools which help a person deal with simple and complex computations. Calculators have been around the world since the late 1960s but not until the ...
• Calculators A Good fortune Surgery A Curse (Post) - A reckoner is a design, unremarkably hand-held, for conniving mathematical expressions. Inwards the past, calculations were done inwards the word, on paper operating theatre by a semi-manual machine. But, this outgrowth of semi-manual ...
• Calculators A Good luck Hospital room A Curse (Post) - A figurer is a figure, unremarkably hand-held, for conniving mathematical expressions. Inwards the past, calculations were done inwards the word, on paper operating theatre by a semi-manual machine. But, this outgrowth of semi-manual ...
• The Wonderful World of Early Computing (Post) - For this, Wilhelm Schickard was considered by some to be the “Father of Computer Age.” Wilhelm Schickard died of the Bubonic Plague in 1635, thirteen years after inventing the world’s first mechanical calculator. ...
• Calculators A Good fortune Operating theatre A Curse (Post) - A computer is a design, commonly hand-held, for shrewd mathematical expressions. Inwards the past, calculations were done inwards the word, on paper operating theatre by a semi-manual machine. But, this plant process of semi-manual ...
• John von Neumann, the father of modern computing (Post) - 28) The scientists and employees in Los Alomos used ‘Marchant and Friden’ desk calculators which they called ‘computers’. After a while they started to use the “most up-to-date electromechanical IBM accounting equipment”. ...
• Calculators A Good luck Operating theatre A Affliction (Post) - A figurer is a pattern, commonly hand-held, for calculative mathematical expressions. Inwards the past, calculations were done inwards the word, on paper surgery by a semi-manual machine. But, this outgrowth of semi-manual process was ...
• History of Calculators, Computers, and Internet (Site) - History of Calculators, Computers, and Internet "Who controls the past commands the future. ... calculators and finally the electronic computer. ...
• SELL Desktop Electronic bCalculatorsb (Post) - Products: Student Electronic Calculators , Desktop Electronic Calculators , Pocket Electronic Calculators , Phonetic Electronic Calculators , Gift Electronic Calculators , Scientific Electronic Calculators , Statistics and Engineering ...
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• Collecting by Larry Cox Early Computers (Post) - Q: I have one of the first computers sold by Radio Shack. I have been tempted to toss it, but it is such an early model I think it might be worth something as a relic. Any suggestions? — Chad, Austin, Texas. A: Thomas F. ...
• HP Portable 110 Computer 1 of 2 I have Parts o Repair (Auction) - Only $29.95
• HP Portable 110 Computer 2 of 2 I have Parts o Repair (Auction) - Only $29.95
• OfficeWorld Calculator Computer Hardware (Site) - Save on office supplies and business products including Calculator Computer Hardware online. Office World is the largest online discount school supplier.
• Calculators A Boon Or A Bane (Post) - A calculator is a device, usually hand-held, for calculating mathematical expressions In the past, calculations were done in the head, on paper or by a semi-manual machine But, this process of semi-manual calculation was time-consuming ...
• New packaging energizes business (News) - In the first years of this century, Jeff Holmes noticed a disturbing trend in his packaging business. His sales figures were flat.
• Apple Seeks Patent for SolarPowered Mobile Devices (News) - Solar-powered Apples may on the horizon. According to news reports, the Cupertino, Calif.-based company has filed a patent for utilizing solar cells in portable devices.
• Students celebrate math skills with pirate party (News) - For students at the McDill Academies, reading and writing arent the only subjects that are fundamental. Math is, too.
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• EWaste Should Be On the List of Issues for Guams Environmental Protection (News) - The production of electrical and electronic equipment is increasing worldwide and the lifespan of some of the equipment is very short. For example, computers in the early 1980s were used on average for about ten years but their lifespan has since reduced to an average of about three years.
• Notebook Laptop KEYPAD Calculator USB Computer NEW (Auction) - Only $4.99
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• Math Forum Ask Dr. Math Archives High School Calculators and Computers (Site) - ... I try to divide a number by 0, I get an error on both my computer and calculator. ... How do computers and calculators calculate values for sine, cosine, ...
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• Calculators Computers (Site) - Calculators / Computers Thousands of product reviews / comparisons. Flat $5 ... Home " Computers " Calculators ... Beach Audio - RSS Feed for Computers / Calculators ...
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• DIY Calculator More Cool Stuff (Site) - More cool stuff, including ideas to further develop the DIY Calculator concept and the history of the first computers and calculators.
• Calculators and Computers (Site) - ... concerned with the use of calculators and computer technology in the classroom. ... Thus, NCTM recommends expanded use of computers and calculators in schools. ...
• Calculators Computers Magazine (Site) - Calculators Computers. Compute Magazine. Computer User. Computer Notes. Computer ... Calculators Computers Magazine was an early effort to split the difference ...
• VINTAGE CASIO PB100 SUPER COMPUTER CALCULATOR RARE S (Auction) - Only $15.0
• Open Directory Computers Hardware Calculators (Site) - Top: Computers: Hardware: Calculators (86) Description. Casio Graphic ... Science: Math: Software: Calculators (71) This category in other ... "Calculators" ...
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• Other versions by this Author (Image) - 0759313164.jpg
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• V. were invited by the german computer magazine PC Professional to populate some showcases with old hardware. Among other pieces of hardware, there were many 8bit machines , one shelf of calculators and pocket computers . CrayCyber brought several logic modules PDP8, CDC, some IBM punch cards , a physically pretty huge CDC core memory module , and one (Image) - 06_systems2004.jpg
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• featured mostly Texas Instruments and HewlettPackard models. The HP 35, she said, marked the end of the slide rule. I also spotted my first two HP calculators. I got all misty. The personal computers section started with the KIM1, Altair 8800, and IMSAI 8080. They also had an Apple II and III, an early Mac and even a Lisa. There was a Commodore Pet and a VIC (Image) - calculators.jpg
• Texas Instruments page. I still use these 1987 Sharp EL525 desktop and EL545 pocket calculators from the 80s on a daily basis because in addition to scientific functions, they also perform hexidecimal (Image) - el525.jpg
• The Texas Instruments SR51A 1975 is an example of a line of TI scientific calculators decended from the original SR50. Here is a closeup of the SR51A. Here is a simulator for the original SR50. Donated by G. Morrison (Image) - sr51a2.jpg
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• Minimum age 12 years old What will I do Youll learn what multilevel diving is and why you want to plan for multilevel dives. Youll also get to see the various types of multilevel dive calculators including the (Image) - dive computers manual.jpg
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• Donated by Richard Parsons. The Lloyds Accumatic 306 1975 and Accumatc 20 are typical of the early large 4function handheld calculators with green florecent display. Donated by Doug Terry Markus Wandel. (Image) - lloyds.jpg
• 1 Summarising, evaluating and comparing Smeets and Robertson 2 b...b (Post) - On placement, a school council meeting allowed the children to use calculators and internet to browse possible sites looking for badges. After they had successfully selected a product, they were permitted to complete the order form and ...
• 2 questions about my computer, can anyone help (Video) -
• 20 Tetris DS (Post) - You can play Tetris on your cell phone, home consoles, handhelds, iPods, calculators, computers, etc. Tetris has been used too many times already in this opening paragraph. With so many versions of Tetris available, which one is truly ...
• 3K Computers debuts Linuxbased UMPC (Post) - If OEMs keep lowing the costs we are going to end with smart calculators in our pockets! Well, now that I think about it, my Pocket PC has a 600 MHz processor so probably we can call this a Pocket PC! ...
• 3K Computers debuts Linuxbased UMPC (Post) - No wonder it needs Linux! If OEMs keep lowing the costs we are going to end with smart calculators in our pockets! Well, now that I think about it, my Pocket PC has a 600 MHz processor so probably we can call this a Pocket PC!