Home

Wikipedia curta calculator

The Curta is a small mechanical calculator developed by Curt Herzstark.The Curta's design is a descendant of Gottfried Leibniz's Stepped Reckoner and Charles Thomas's Arithmometer, accumulating values on cogs, which are added or complemented by a stepped drum mechanism The Curta is a small, hand-cranked mechanical calculator introduced in 1948. It has an extremely compact design, a small cylinder that fits in the palm of the hand. It can be used to perform addition, subtraction, multiplication, division, and, with more difficulty, square roots and other operations Curta (Type I) mechanical calculator shown in the operational position (left hand). The crank is turned with the right hand. Curt Herzstark (July 26, 1902 - October 27, 1988) was an Austrian engineer

Curta - Wikipedia

Curta calculator - Wikipedia, the free encyclopedi

Die Curta ist eine mechanische Rechenmaschine in Form eines Zylinders mit einer Kurbel an der Oberseite. Das Funktionsprinzip ist das der doppelten Staffelwalze.Sie wurde in den 1940er Jahren von Curt Herzstark entwickelt und von 1947 bis 1970 vom liechtensteinischen Unternehmen Contina AG in einer Gesamtstückzahl von etwa 140.000 produziert The Curta Calculator poster is very suitable for framing and will make a wonderful gift to any Curta enthusiast. It is an essential element in any Curta collection. The poster measures 24 1/2 (62cm) in width and 16 (41cm) in height and is printed on high quality Strobe Gloss 100# cover paper Typ I Curta má 8 číslic pro vstup dat a 11 míst pro výsledek. Podle reklamní literatury váží pouhých 230 g. Sériové číslo 70154 vyrobené v roce 1969, váží 245g. Větší typ II Curta, který byl vyráběn od roku 1954, má 11 číslic pro zadávání dat a 15 míst pro výsledek. Váží 373g vCalc has hundreds of calculators and thousands of equations created by engineers, university professors, students from around the world, and people like you. Topics range from complex scientific equations to practical everyday equations. > Learn more about vCal

Curt Herzstark - Wikipedia

Curta Calculator. The Curta of Curt Herzstark (see biography of Curt Herzstark) is a remarkable mechanical calculator, based on the stepped drum mechanism of Lebnitz.It is a small, hand-cranked mechanical calculator, designed in 1930s, but introduced as late as 1948 HomePages-- view personal information pages created by Curta enthusiasts. Here you can also create your own Curta.org personal page. ListOfCurtas-- An ordered list of Curtas and their owners, in ascending numerical order of the Curta's serial number. You can add your name to the list, if you wish Curta é uma calculadora mecânica inventada por Curt Herzstark em 1948 e produzida na cidade de Vaduz no Principado de Liechtenstein desde 1948.. Descrição. O modelo I da Curta pesava apenas 230g (enquanto que o modelo seguinte, mais aperfeiçoado e poderoso ainda, atingia somente 360g)e tinha como capacidade operatória 8 x 16 x 11 (sobre 11 x 8 x 15 para o modelo II)

CurtaManuals - Curta

  1. In conclusion, the Curta Mechanical Calculator would have been the calculator of choice before the advent of the HP-35 calculator, the first scientific electronic pocket calculator that was able to perform trigonometric and exponential functions and which signaled the end of the reign of the Curta mechanical calculator. Reference
  2. [SMT] Reproduction Curta calculator (self.SomebodyMakeThis) submitted 5 years ago by BrotherSeamus. Wikipedia entry. These go for well over $500+ on ebay. I can't.
  3. Replicating the Curta mechanical calculator (self.Machinists) submitted 3 years ago by daeken. Hi everyone! Long time reader, first time poster. I've been working for.
  4. クルタ計算機(クルタけいさんき、 Curta calculator )は小型で手回し式の機械式計算機である。 1948年に登場した。非常に小型であることが特長で、その円筒状の筐体は手のひらに収まるほどである

Wikipedia (0.00 / 0 votes) Rate this definition:. Curta. The Curta is a small mechanical calculator developed by Curt Herzstark. The Curta's design is a descendant of Gottfried Leibniz's Stepped Reckoner and Charles Thomas's Arithmometer, accumulating values on cogs, which are added or complemented by a stepped drum mechanism Everything produced as part of this project is being released into the public domain. Everyone should be able to inspect, visualize, or even build their own Curta calculator; it shouldn't be fated to forever be an expensive relic on eBay. Interesting

Alfredo Logioia's Curta site has lots of info and links, and an accurate age calculator. Curta.de, Jan Meyer's Curta site includes a Curta simulator (Flash). Wikipedia entry for the Curta. Curta.org, a Curta wiki-based site. Rallyracingnew.com has A Rallyists Guide for the Use and Operation of a Curta Calculator In December 2014 I made six short videos. This is one of them. It features the Curta Model 1 Calculator

This little gem was the world's best mechanical calculator up until modern electronic ones came on the scene. It rivalled large slide rules in accuracy and could be much faster. Interestingly, it was invented by a prisoner in a concentration camp who was kept alive just to work on his invention. Curta calculator - Wikipedia, the free encyclopedi 3D printed Curta gets upgrades. 16 Comments Gold Standard to benchmark the fall of the Western World to the Chinese in terms of manufacturing expertise is a Curta Calculator Clone which.

Curta calculator - Wikimedia Common

Notes: See Wikipedia Entry on Curta Calculators 1) Austrian Curt Herzstark designed this calculator while imprisoned in a Nazi concentration camp during WWII. Soon after the war, Herzstark established a factory in Liechtenstein with the backing of the Prince of Liechtenstein It was not until 1948 that a pocket-sized calculator was invented and came in the form of the Curta calculator. It was not until the 1960s and the advent of electronic devices that the electronic calculator came to be. ANITA (A New Inspiration To Arithmetic/Accounting) was the first all-electric desktop calculator and was released in 1961 Build a 3D Printed Curta Calculator: In this Instructable, we will construct a mechanical calculator called the Curta. I started this project because shortly after building my first 3D Printer I found a Youtube video describing the Curta and how it works and got fascinated with the d..

The Curta is a small, hand-cranked mechanical calculator. It has an extremely compact design, a small cylinder that fits in the palm of the hand. It can be used to perform addition, subtraction, multiplication, division and other operations Projekt i matematik: historiske regnetekniske hjælpemidler Curta - håndholdt mekanisk regner Curta håndholdte (bærbare) regner blev opfundet af Curt Herzstark.. The Curta is a small, hand-cranked mechanical calculator introduced in 1948. It has an extremely compact design, a small cylinder that fits in the palm of the hand. It can be used to perform addition, subtraction, multiplication, division, and, with more difficulty, square roots and other operations. (c.f. Wikipedia) Shaded; Wireframe; Vertice

The Curta Mechanical Calculator had 605 parts and required no electricity; it operated by means of a handcrank at the top, earning it the nickname of The Pepper Grinder Calculator, and made a pleasing mechanical purr as the parts moved. It was designed by Curt Herzstark while he was a prisoner in a concentration camp. via monoscop The Curta is a small, hand-cranked mechanical calculator introduced in 1948. It has an extremely compact design - a small cylinder that fits in the palm of the hand. It can be used to perform addition, subtraction, multiplication, division, and, with more difficulty, square roots and other operations

Curta Calculator Pawn Stars: The Game Wiki FANDOM powered

  1. Before there were electronic calculators, home computers, or calculator applications, there were mechanical calculators. Now highly collectible, Curta calculators were the best portable mechanical calculator available until the introduction of electronic calculators in the 1970s
  2. A Visual History of Calculators 1. MACHINES MANAGE NUMBERS A VISUAL HISTORY OF CALCULATORS 2. The very first counting device was likely the human hand Simple, reliable, and extremely versatile, it's affordable and needs no batteries or special trainin
  3. The Curta is an interesting machine. It was never cheap and this was a severe limitation to sales growth. I could envision that a few specialized keys could have been added such as Pi or a square or square root key designed in but I don't think th..
  4. The Curta calculator, which first appeared in 1948, was perhaps the ultimate expression of the mechanical calculator, so compact that it could, somewhat lumpily, fit into a pocket and was capable of addition, subtraction, multiplication and division
  5. (image credit: Vintage Calculators) As you can see, not quite as complicated as the Large Hadron Collider, but pretty close. Another detailed page of Curta's disassembly is here. This thing can even do square roots! If you like to play with levers and buttons, then this Curta Simulation page is for you
  6. Curta calculator Made c. 1954 This object is part of a collection relating to the history and development of calculating devices assembled by Assoc Professor Allan Bromley of Sydney University, comprising mathematical instruments, slide-rules, mechanical and electronic calculators, electronic analogue computers, computer components, kit.

Curta calculator: The mechanical marvel born in a Nazi death cam

Curta calculator fansite; Curta.Org, Your Complete Curta Calculator Site includes a Wiki; Curta Operating Manual. HTML coding by Andries de Man; Curta site by Greg Saville; The Amazing Curta by Bruce Flamm; How to Calculate with a Curta by Nicholas Bodley; Curta Handhelds at the Museum of HP Calculators; Curt Herzstark and the Curta; YACS-Yet. The Curta was an ingenious mechanical calculator designed by Curt Herzstark during World War Two, while incarcerated in Buchenwald concentration camp. Curta Mechanical Calculator from the Wish I had one -- beautiful piece of German precision machinery Amazing Compact Mechanical Calculator That Almost Wasn' The Addiator was a mechanical add/subtract calculator, made by Addiator Gesellschaft, Berlin.A sturdy design, variants of it were sold from August, 1920 until 1982. It was composed of sheet-metal sliders inside a metal envelope, manipulated by a stylus, with an innovative carry mechanism, doing subtract ten, carry one with a simple stylus movement

YACS Yet Another Curta Simulator is a VRML (Virtual Reality Modeling Language) Simulation of the amazing Curta mechanical calculator.. You can use it to explore the operating principle of the Curta, zoom in on every part and perform actual calculations This purely mechanical hand-held device could do addition, subtraction, multiplication and division. By the early 1970s electronic pocket calculators ended manufacture of mechanical calculators, although the Curta remains a popular collectable item. Pocket calculator. A pocket calculator is a small calculator that helps people do arithmetic The decision to use electronics for our calculating machines has long been decided. However, that doesn't mean that mechanical engineers didn't put up a valiant, if ultimately futile, fight. (en) The Curta Calculator Page sur vcalc.net; curta.li Différentes variantes Curta Type I et II, publicité, instructions et de nombreuses images; La Curta de Curt Herzstark sur une page personnelle (en) YACS-Yet Another Curta Simulator, un simulateur 3D en VRML (en) Type & Age of your Curta Type et l'âge de votre Curta

The CURTA Calculator Pag

Un calculator de buzunar este un dispozitiv special și relativ inflexibil pentru efectuat calcule. El poate fi pur mecanic, constând din rotițe dințate, tije și manivele, așa de exemplu renumitul calculator de mână Curta, fabricat între anii 1948-1972 în Liechtenstein Curta Type 1 calculator (ca.1930) (from wikipedia): The Curta is a small mechanical calculator developed by Curt Herzstark. The Curta's design is a descendant of. oddly enough, i never used a slide rule. but it's pretty cool that you can get them so cheap, now. might be a fun way to teach logarithms in high school. oddly enough, i never used a slide rule. but it's pretty cool that you can get them so cheap, now. might be a fun way to teach logarithms in high.

Curta - Wikipedi

Slide rule - Vintage Circular Pipe Flow Calculator. Condition is Used. I know next to nothing about this item. If it had instructions I may be able to figure out how to use it. It comes with the hard. In 1948 the miniature Curta calculator, which was held in one hand for operation, was introduced after being developed by Curt Herzstark in 1938. This was an extreme development of the stepped-gear calculating mechanism. It subtracted by adding complements; between the teeth for addition were teeth for subtraction I am currently working on a 3D printed Curta. The biggest factors I am dealing with are strength of small parts, too much sagging on overhangs despite supports (tolerances are small), and increasing tolerances due to printer accuracy. I have scaled the parts up 3x to make them strong enough and I still have to print with a small 0.25mm nozzle

www.curta.de by Jan Meyer offers a wealth of information about the Curta. It includes a detailled biography of Curt Herzstark who designed the mechanical masterpiece. www.vcalc.net with even more information, among them operation instructions. Curta on Wikipedia. Curt Herzstark on Wikipedia En 1948 la calculadora miniatura Curta, que se suxetar nuna mano pa usase, foi presentada tres el so desenvolvimientu por Curt Herzstark nun campu de concentración nazi, suponiendo un desenvolvimientu estremu del mecanismu calculador de ruedes dentaes gradiaes Long afterward came mechanical calculators, followed by electrical calculators and then their evolution into the familiar but not-so-ubiquitous-anymore handheld calculator. Here, then, are some of the milestones and prominent figures who played a role in the development of the calculator through history Prices were in sharp decline. A five function TI calculator was about the same price the year before. A year or two later an older HP model (which were higher-end calculators) was also about the same amount. Calculators were fairly expensive at first but remember that slide rules weren't useful for adding and for a lot of calculations anyway The Curta calculator was the first handheld calculator. It was invented during WW2 by a prisoner in a Nazi concentration camp named Curta. The first model was intended as a gift for Hitler,.

vCal

În prima jumătate a secolului al XX-lea, s-au răspândit diverse mărci de calculatoare de birou, cum ar fi Curta sau Friden și s-a început dezvoltarea primelor calculatoare electronice, cu ajutorul tuburilor electronice. Bazele calculatoarelor moderne s-au pus, însă, în preajma celui de-al doilea război mondial started quickly with the basic featuresHP 12c Financial Calculator Quick Start Guide The HP-12C is a financial calculator made by Hewlett-Packard (HP) and its successor HP Inc. as part of the HP Voyager seriesHP-12C - Wikipedia HP calculators are various calculators manufactured by the Hewlett-Packard company over the years. Mechanical calculator and case, Curta Type II, No. 542485, metal / plastic, Contina A G, Mauren, Liechtenstein, c 1960 Cylindrical black metal calculator with 11 positions for numbers on side, an 8 digit revolution counter on top and a 15 digit result counter. Operating handle located on top. Black Bakelite cylindrical case with screw top lid La Curta è una piccola calcolatrice meccanica di precisione azionata a manovella, messa sul mercato nel 1948.. Ha un design elegante, ergonomico e compatto (altezza 85mm), un piccolo cilindro che può essere tenuto nel palmo della mano

Curta Mechanical Calculator - computernostalgia

I went to wikipedia and breathed a sigh of relief because that definition still agreed with mine. Read More » Curta Mechanical Calculator Introduction Posted 5 Mar 2018 I bought a Curta mechanical calculator as a gift for my grandfather who has wanted one for a while, and I can't wait to see the look on his face. However, I have some months. 1960's Sowing the seeds of the calculator revolution. Early 1960's -- Mechanical calculators, slide rules, or paper and pencil are the world's main methods of calculation. As was true in the 1940's and 1950's, early 1960's calculators are complicated motor-assisted mechanical adding machines with no other electronic parts A curta calculator which the stall holder didn't really know the value of, I spotted it, persuaded the team to buy which they really didn't want to then we watched it fly at auction - I can't. Canola Calculator

Category:Curta calculator - Wikimedia Common

Curta The Curta is a small mechanical calculator developed by Curt Herzstark.The Curta's design is a descendant of Gottfried Leibniz's Stepped Reckoner and Charles Thomas's Arithmometer, accumulating values on cogs, which are added or complemented by a stepped drum mechanism This type of calculator, the pin-wheel calculator, was invented by the Swdish engineer and entrepreneur Willgodt T. Odhner in St. Peterburg, Russia, in 1874. (A calculator on similar principles had been invented independently 2 years earlier by Frank Baldwin in the USA, but the Odhner was the successful design) This is a simulation of the Curta mechanical calculator written for the Apple //. Download a disk image. A Curta looks somewhat like a pepper grinder. To replace the crank, this simulation uses a joystick. The primary interaction is performed by cranking the joystick through 360 degrees. To perform a crank, start with the joystick centered

Show and Tell: The Curta Calculator - YouTub

Mechanical computers continued to be used into the 1960s, but were quickly replaced by electronic calculators, which—with cathode-ray tube output—emerged in the mid-1960s. The evolution culminated in the 1970s with the introduction of inexpensive handheld electronic calculators. Mechanical computers were ailing in the 1970s and dead by the. Wikipedia, the free encyclopedia. The cooperative pulling paradigm is an experimental design in which animals cooperate to pull food towards themselves. Researchers use these experiments to try to understand how cooperation works and how and when it may have evolved

The Curta Calculator Been Here? 258. Want to Visit? 205. forum Comment. The collection of computers and related history at the Computer History Museum is the largest of its kind in the world. Contributed by Mark Carson of Individual Design. I f you've ever seen a watch with a slide rule bezel and haven't known how to use it, we have a little guide for you. As many of you know, watches with slide rule functions have 2 logarithmic scales (the outer of which turns)

populär: