Despite levitts elite credentials harvard undergrad, a phd from mit, a stack of awards, he approached economics in a notably unorthodox way. The slide rule is used primarily for multiplication and division, and also for scientific functions such as roots, logarithms and trigonometry, but does not generally perform addition or subtraction. The slide rule the book, written by florian cajori, is the standard work on the early history of the slide rule. As graphical analog calculators, slide rules are closely related to nomograms, but the former are used for general calculations, whereas the latter are used for applicationspecific computations. Create outstanding powerpoint decks with our ready to use splash slide and introduce your presentation with a professional powerpoint table of content from our creative layouts selection. Slide rule contains a plethora of features, some never seen before in this type of application. The pdf files are to scale so just be careful in cutting the center hole. The writer was dazzled by the inventiveness of the economists work and his knack for explaining it. For fun, i was allowed to teach elementary school children how to use a slide rule. Reading the slide rule scales ia the decimal point d. The fist section shows how to make a simple rule, and suggestions for all the mechanical steps. Program allows to browse, edit, convert and print images. Edmund gunter devised a sector with slide rulelike scales, but you. Oughtred society slide rule reference manual the oughtred.
It is a free, javabased, incredibly precise and configurable scientific slide rule that you can run on your desktop. Some highend slide rules have magnifier cursors that make the markings. Slide rule two page how to there is 1 adobe pdf file in 1 zip file. Ive been lurking in here for quite a while now and wanted to get myself a first real watch. The application slide rules is an innovation in the field of the tools. The slide rule explorer users guide by peter alfeld, department of mathematics, university of utah. Slide rule was invented by english minister william oughtred in 1622.
A new method for the assessment of acidbase equilibrium disorders. It is unfortunate that, for some reasons not easy to see, the slide rule is sometimes regarded as a difficult instrument with which to become proficient. The quick and easy lawrence slide rule instruction book. Slide rule scales build your own sr international slide rule. This site hosts a portable package of derek ross, stefan vorkoetters, and brian bartholomews virtual slide rules browserhosted slide rule simulators. The slide rule, also known colloquially in the united states as a slipstick, is a mechanical analog computer. All this, while still looking slick and fashionable.
Meanwhile, using online virtual slide rules to practice, i noticed that i wasnt able to identify the exact model was best suited for my needs. If you download the instructions, two of the basic slide rules are also attached. In this way lateral pressure across the width of the slide. There are a number of manuals for slide rules here which are available for download. Nate, the mathematics guy shows you the basics of a slide rule.
Scales to make a circular slide rule using a cd case by ying hum va3yh. Pdf file to generate the scales on a sheet of paper. I typed and scanned this in from one of the manuals that came with my n4es slide rule. The pdf file for this slide rule has some problems that make it unfit for anything but practice by a beginner. Etsy is the home to thousands of handmade, vintage, and oneofakind products and gifts related to your search.
Simple paper slide rule michael gasperi 2012 fold fold cut cut cut 1. Mathematical foundations of the slide rule with ack corrected. All pro users are now able to generate a pdf version of their decks at the click of a button. Best source for free download slide rule manuals 53 of them. By the time i finished engineering school in 1963, the slide rule was a. Able photo slide show is a program designed to display all images as a slide show using many transition effects, each image being shown for some predetermined time before going on to the next. Slide rule a quality instrument for sterling student or professional operating instructions a complete course in use and operation of slide rule the sterling student slide rule is an accurate instrument for use in multiplication, division, proportion, square and cube root problems, as well as sine, tangent and logar ithm solutions. You need to download the pdf image of the slide rule from. How to build yourself a slide rule math wonderhowto. But it is a little hard to learn to use and the slide rule it self doesnt provide much help in ensuring that the result is correct.
Addition slide rule wolfram demonstrations project. Question looking for sliderule watches any recommendations. On this page, i have decided to list all the books currently in my collection, along with some editorial comments to hopefully help you separate the wheat from the chaff. Additionally, the slide rule does not tell you where the decimal point is located in the answer. Classroom activity before introducing the multiplication logarithmic slide rules, show how 2 rulers can make an adding slide rule. To build the slide rule, you will need to download and print the following image at 300 dpi. Slide rule for windows is a revolutionary new software it is a single sided slide ruler for windows 3. Especially if you have a number of pictures already made in eps, ps, xfig or png format, you can make a nice slidesho.
Also because of all the detail, the 30loop spiral slide rule converts to a lowrez bitmap data image while you move it, then back to a vector based image as soon as you release. A slide rule is a mechanical device that uses the alignment of numeric values marked on sliding scales to perform mathematical calculations. For the past 400 years, the calculations performed on slide rules have made possible such feats as designing the first skyscraper and putting a man on the moon. Here are a few instruction manuals for aw faber faber castell slide rules that i have acquired, most came with slide rules as indicated.
In addition are a few manuals i have written for my own jugglers and radix series slide rules. Here are some of the slide rule manuals i have collected. With this software, you will be able to manage pdf pages, merge pdf, compress large files, redact, annotate, watermark, rotate. An adding slide rule works just like a multiplication slide rule. It is primarily web based, so you can train from almost all kinds of platforms like a smart phone or a pc with a browser. Adding slide rules are not practical, but demonstrate how to use a slide rule in a simple. Mathematical foundations of the slide rule joseph pasquale department of computer science and engineering university of california, san diego june 26, 2011 abstract we present a mathematical principle that provides a precise formulation for the types of functions a slide rule can be designed to calculate.
You may also find my slide rule books of interest for more info. This addition slide rule lets you add numbers by sliding the y scale you read off the sum of and by using the movable cursor. The slide rule is used primarily for multiplication and division, and also for scientific functions such as roots, logarithms and trigonometry, but does not generally perform addition or subtraction there are many different styles of slide rules. Its usage is identical to that of a real slide rule, but tim has introduced two major enhancements. Wait for the pdf to generate and accept your download. There is also a version as a word document which is smaller 2040 kb. The slide rule, also known colloquially in the united states as a slipstick, is a mechanical. Slidemaker is a simple utility for creating a pdf slideshow, which can be presented with the acrobat reader tip. You can do addition by multiplying and dividing on the kids rule. Download this presentation 3mb pdf consisting of over 55 slides on.
There are at least three different scales, and on most of them the numbers arent even spaced evenly apart. Instructions for using trig and log log slide rules. There are also a couple of slider calculaters from brian and myself. This deck will briefly guide you through the new pro feature. Plenty of additional manuals can also be found at many of the sites listed on my links page. He explains what a slide rule is and how you can build one of your very own. The most convenient way to locate the decimal point is to make a mental. The article included a downloadable pdf file pictured in the graphic for this step. Tape overlapping cursor ends on back simple paper slide rule by. To someone who doesnt know how to use it, a slide rule looks like a ruler designed by picasso. You comply with all other terms of this agreement for free distribution of. Scientific american may 2006 university of vermont. I recently started getting interested in slide rule calculators and i was considering buying one.
But, when you look at the 5 on the b scale, it is at least the width of a line off of the 1 or 10 on the a scale. Slide rules usually look like a narrow ruler, but for todays demonstration we will be building a circular slide rule. There are also a number of other sites where manuals for download may be found, please look at. With this software, you will be able to manage pdf pages, merge pdf, compress large files, redact, annotate, watermark, rotate pages, crop pages and much more. Instructions for using a slide rule project gutenberg.
Additional slide rule material can be accessed using the links in the left bar under slide rule content pages. The quick and easy lawrence slide rule instruction book slide rules were an enigma and a thing to be feared to most people even in the days when handheld digital calculators had not entered the scene. Slide rule is an autobiography, but the part that almost everyone will buy it for is the account of the building of the r100 airship in competition with the r101. No matter what youre looking for or where you are in the world, our global marketplace of sellers can help you find unique and affordable options. The slide rule explorer sre lets you explore more than 100,000 mathematical expressions that can be evaluated on a slide rule. An easy introduction to the slide rule internet archive. A typical teninch student slide rule pickett n902t simplex trig. A number of these manuals are available for download. Make as many copies of this sheet as necessary for your class. Initial examples based on dereks self guided demo and expanded by mike konshak. Spheres slide rule universe is a repository for information, pictures, history and links to sellers, other sites and experts.
Includes a brief side show slide show of famous and interesting slide rules, most of which are in the authors collection. There are a number of sources of manuals for slide rules, they were usually supplied with slide rules when purchased although over the years they have become detached from the slide rule and are now lost. To do a calculation with a slide rule you reduce all numbers to scientific notation with 24 digits then use the slide rule to perform the basic operations. Generally, they are either have a linear form or that of a circle. Download free powerpoint template slides slidemodel. It is unfortunate that, for some reasons not easy to see, the slide rule is sometimes regarded as a difficult instrument with which to. Slide rule templates each student, or pair of students, will need one top and one bottom ruler.
In a separate calculation you find the order of magnitude by combining the powers of 10. Given the number of requests ive received for slide rule manuals, i thought id create a separate page listing the ones available on my site. The rows of numbers generally look nothing like a simple, familiar ruler, and the sliding window thingy with the thin line sent kids and adults. Slide rule universe take the learn to use and clean them link ron manleys slide rule site take the instructions link. These were the largest of their generation, vastly larger than the a380 and 747 jets of today. Slide rules were the original personal computers hackaday. Includes a brief side show slide show of famous and interesting slide. We take advantage of powerpoint full potential in every slide. The slide rule and other instruments which give the same facilities for rapid calculations, are covered by the term mechanical calculation. This is an ideal teaching tool for displaying in front of a class or for individual selfstudy. The slide rule, also known as a slipstick, is a mechanical analog computer.
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