JTextField itemName; JTextField itemPrice; JTextField itemDisc; JTextField salePrice; JButton calculate; JButton clear; public RetailCalculator() { //set object variables super("Retail Sales Calculator"); //window title setSize(250‚ 250); //set window size setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //window close GridLayout grid = new GridLayout(7‚ 2); setLayout(grid); department = new
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[pic] Intro Turn a calculator into a metal detector I recently discovered a really cool method in using a few household items to make a HomeMade Metal Detector! Heres how to make your own! Heres a link to the video : http://www.youtube.com/watch?v=_G5HzeIl9cY [pic] Step 1 What you need. All you need for this project is‚ an: AM Radio ‚ some tape ‚ and a small calculator. [pic] Step 2 Let’s Begin Begin by turning the AM radio on. Tune it to the high end
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school. Before the invention of electronic calculator‚ he had to do his accounts by making use of his brains alone. He could add‚ subtract‚ multiply‚ divide by simply using a pencil and a piece of paper. Then one day the headmaster gave him a calculator. He was delighted that he could perform all the calculating by simply pressing some keys. He did not even have to think. Thus his mental ability atrophied. He did not realized this until one day the calculator broke down. To his horror he discovered
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INTERNATIONAL BACCALAUREATE ORGANIZATION Diploma Programme Mathematics SL Internal assessment criteria and additional notes November 2006 This document consists of extracts from the subject guide and the teacher support material already available on the OCC‚ as well as additional notes providing guidance for teachers with regards to using the internal assessment criteria. These additional notes can also be found in the May 2006 subject report. Diploma Programme Mathematics SL—Internal
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Pascal’s family moved once again‚ this time to Rouen‚ France. Etienne Pascal was given a tax collector job for Upper Normandy. Shortly after moving‚ Blaise published Essay on Conic Sections in February of 1640. Pascal invented the first digital calculator to help his father with tax collecting. He worked on it for an agonizing three years between 1642 and 1645. He named his creation‚ the Pascaline. He ran into problems though because
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its product if maximum safety procedures attained. In contrast‚ being too dependent from computers has a negative outcomes. Example of it‚ calculator is a computer. Some people are too dependent using calculator in solving simple equation. This attitude will lead people not using critical thinking in solving an equation instead they use calculator for faster result and convenient way. In addition on that‚ internet are vastly used nowadays‚ some students used internet for their projects and
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Revision Guides ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz-&!?‚’’.()[]/\*@;:1234567890 GCSE Mathematics Foundation Tier Stafford Burndred Consultant Editor: Brian Seager‚ Chairman of Examiners Ninestiles School GCSE Mathematics Name.................................................................................................................................... Address .............................................................................................
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Review Questions [RQ] from the Digital Planet: Tomorrow’s Technology and You textbook. Chapter 1 1. What is the most important difference between a computer and a calculator? [RQ‚ no. 2] Calculators perform operations one at a time‚ while computers can process a sequence of operations using provided instructions. A typical calculator requires many interactions to perform a computation‚ while a computer takes a set of instructions. 2. How are computers today similar to those from World War II? How
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automobile travelling at that has an intensity level of 75 dB one would follow the same procedure mentioned previously to find intensity. In addition to this method one can use a graphing calculator in order to make the finding of I simpler. By following the procedure one can use a Ti-82 graphing calculator to find the intensity I of a sound by knowing the intensity level b. The function used is just all the steps followed above summarized into one function. Enter ENTER By the use
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E fx-115ES fx-991ES User’s Guide http://world.casio.com/edu/ RCA502160-001V01 CASIO Europe GmbH Bornbarch 10‚ 22848 Norderstedt‚ Germany About this Manual • The MATH mark indicates an example that uses Math format‚ while the LINE mark indicates Linear format. For details about input/output formats‚ see “Specifying the Input/Output Format”. • Keycap markings indicate what a key inputs or what function it performs. Example: 1‚ 2‚ +‚ -‚ !‚ A‚ etc. • Pressing the 1 or S key
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