............................. 9 Chapter 2 Doing calculations 100% correct 100% of the time ............... 11 What calculators to use for Exam P.............................................................................. 11 Critical calculator tips ........................................................................................... 16 Comparison of 3 best calculators (summary): .............................................................. 23 Chapter 3 Find E ( X )‚Var ( X )‚ E ( X
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phones‚ on our computers‚ or any other device. There is now no need to learn to write cursive‚ or write anything at all‚ there’s computers for that. Also there’s no need to have anything more than a basic knowledge of math‚ if even that. That’s what calculators are for. And if you need to know some fact or have a question answered‚ Google is always there for you. Even as this paper is being written there’s hardly a need to know how to spell anything more than basic words. You don’t even have to leave your
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Examination Materials Electronic calculator (non-programmable) Geometry set Mathematical tables Graph paper (provided) I I I - DO NOT TURN TIIIS PAGE I.INTIL YOU ARE‚ TOLD TO DO SO. I I I I 012340208 2009 Copyright @ 2OO7 Caribbean Examinations Council@. All rights reserved. 2OO9 U Page 3 SECTION I Answer ALL the questions in this section. All working must be clearly shown. 1. (a) Using a calculator‚ or otherwise‚ calculate the EXACT value
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Kuta Software - Infinite Algebra 2 Name___________________________________ The Change of Base Formula Date________________ Period____ Use a calculator to approximate each to the nearest thousandth. 1) log 3 3.3 2) log 2 30 3) log 4 5 4) log 2 2.1 5) log 3.55 6) log 6 13 7) log 6 40 8) log 4 3.5 9) log 2 2.9 10) log 6 22 11) log 7 8.7 12) log 3 62 ©k z2D041s25 AKmuHtiaX bSFoQfftnwWaQrser gLiLrC0.P i ZAflZln 9rziCg9hWtIsP 0rjeVsre3ryvfeidm.N t qMXaTdpe1 5wwietMh1 SILnDfEi5n6istleP nAslHgvePbmrsau
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versus n? Deduce from the slope of your straight line the linear density‚ ‚ of the string (show procedure and calculations). Comment. Y – axis X – axis Frequency (Hz) N 78 1 151.8 2 234 3 320.8 4 397.9 5 Using the calculator we perform linear regression to obtain the slope B as 80.08 while A = -4.54 Which is nothing but To obtain the error on the slope: αB Where N = 5 The error αμ is:
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600 B.C. It is interesting to know that it can calculate at an amazing speed. The first mechanical adding machine was invented by Blaise Pascal in 1642. Keyboard machine and concept of punched cards‚ came up around‚ 1880. Bussiness machines and calculators made their appearance. Towards the end of the nineteenth century professor at Cambridge considered to be the father of digital computer. Thousands of computers‚ from small relatively cheap units to large and expensive computers can be found in offices
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Evolution of Computer A.P.Mohana priyaa Abacus Chinese invented calculating device called ABACUS Ø Also known as “SOROBAN” perform addition and Ø subtraction Wooden rack holding two horizontal wires with beads Ø strung on them. Rules memorized by the user Ø Regular arithmetic problems can be done Ø NAPIER’S DEVICE John Napier a Scottish Mathematician Ø Set of eleven animal bones later it was replaced by Ø rod Number marked on them‚they placed
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advantages of such situation. Firstly*‚ computer – controlled cars‚ planes or ships allow us to travel safely. Secondly‚ all the mental work we need to do‚ from simple equation to huge statistic data would be almost impossible without using the calculator at least. Finally‚ medical care and all the equipment used while helping people would not provide such results if led only by human hand. We should also remember about large branch of entertainment‚ from television and video with remote control
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this data. Kathleen Guinee wrote‚ "By information technology‚ I mean the tools we use to perform calculations‚ to store and manipulate text‚ and to communicate. Some of these twentieth century tools include: the adding machine‚ slide rule‚ and calculator for performing calculations‚ the typewriter and word processor for processing text‚ and the telephone‚ radio‚ and television for communicating."(www.cs.princeton.edu/~kguinee/thesis.html) The report will examine how advances in constructing and
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Jack in the Box decreased in re-cent years. The ratio is below one and shows a conservative attitude in operation and may slow down the growth of the company. The Calculation of WACC Table 5 Equity Debt Pref. E Weight 75.58% 24.42% 0.00% Cost 10.96% 1.84% 0.00% W x C 8.28% 0.45% 0.00% WACC 8.73% WACC=Weight of Equity * Cost of Equity+ Weight of Debt * Cost of Debt + Weight of Pre-ferred Equity* Cost of Pref. E Table 6 Cost of Debt (After-tax) 1
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