How to Use a Scientific Calculator

You might know all the formulas for math and science problems, but if you dont know how to use your scientific calculator, youll never get the correct answer. Heres a quick review of how to recognize a scientific calculator, what the keys mean, and how to enter data correctly. What Is a Scientific Calculator? First, you need to know how a scientific calculator is different from other calculators. There are three main types of calculators: basic, business, and scientific. You cant work chemistry, physics, engineering, or trigonometry problems on a basic or business calculator because they dont have functions youll need to use. Scientific calculators include exponents, log, natural log (ln), trig functions, and memory. These functions are vital when youre working with scientific notation or any formula with a geometry component. Basic calculators can do addition, subtraction, multiplication, and division. Business calculators include buttons for interest rates. They typically ignore the order of operations. Scientific Calculator Functions The buttons may be labeled differently depending on the manufacturer, but here is a list of common functions and what they mean: Operation Mathematical Function + plus or addition - minus or subtraction Note: On a scientific calculator there is a different button to make a positive number into a negative number, usually marked (-) or NEG (negation) * times, or multiply by / or à · divided by, over, division by ^ raised to the power of yx or xy y raised to the power x or x raised to the y Sqrt or √ square root ex exponent, raise e to the power x LN natural logarithm, take the log of SIN sine function SIN-1 inverse sine function, arcsine COS cosine function COS-1 inverse cosine function, arccosine TAN tangent function TAN-1 inverse tangent function or arctangent ( ) parentheses, instructs calculator to do this operation first Store (STO) place a number in memory for later use Recall recover the number from memory for immediate use How to Use a Scientific Calculator The obvious way to learn to use the calculator is to read the manual. If you got a calculator that didnt come with a manual, you can usually search for the model online and download a copy. Otherwise, you need to do a bit of experimentation or youll enter in the right numbers and still get the wrong answer. The reason this happens is that different calculators process order of operations differently. For example, if your calculation  is: 3 5 * 4 You know, according to the order of operations, the 5 and the 4 should be multiplied by each other before adding the 3. Your calculator may or may not know this. If you press 3 5 x 4, some calculators will give you the answer 32 and others will give you 23 (which is correct). Find out what your calculator does. If you see an issue with the order of operations, you can either enter 5 x 4 3 (to get the multiplication out of the way) or use parentheses 3 (5 x 4). Which Keys to Press and When to Press Them Here are some example calculations and how to determine the correct way to enter them. Whenever you borrow someones calculator, get into the habit of performing these simple tests to make sure youre using it correctly. Square Root: Find the square root of 4. You know the answer is 2 (right?). On your calculator, find out whether you need to enter 4 and then press the SQRT key or whether you hit the SQRT key and then enter 4.  Taking the Power: The key may be marked xy or yx. You need to find out whether the first number you enter is the x or the y. Test this by entering 2, power key, 3. If the answer was 8, then you took 23, but if you got 9, the calculator gave you 32.10x: Again, test to see whether you press the 10x button and then enter your x or whether you enter the x value and then press the button. This is critical for science problems, where youll live in the land of scientific notation!Trig Functions: When youre working with angles, keep in mind many calculators let you select whether to express the answer in degrees or radians. Then, you need to determine whether you enter the angle (check the units) and then sin, cos, tan, etc., or whether you press the sin, cos, etc., button and then enter the number. How do you test this: Remember the sine of a 30-degree angle is 0.5. Enter 30 and then SIN and see if you get 0.5. No? Try SIN and then 30. If you get 0.5 using one of these methods, then you know which works. However, if you get -0.988 then your calculator is set to radian mode. To change to degrees, look for a MODE key. There is often an indicator of units written right up with the numerals to let you know what youre getting.

Improving The Decision Making Process - 798 Words

confidence will increase due to equality. Appointing more minorities to judgeship can produce diverse perspectives and improve the decision making process. In order to accommodate minorities and underline the importance of racial equality, the judicial system must implement innovative changes to better serve the country’s ethnic diversity. Torres-Spelliscy et al. (2010) encouraged diversity in the American court system and provided ten practices to attract the brightest female and minority candidates for the judiciary, and they are as follows: (1) grapple fully with implicit bias; (2) increase strategic recruitment; (3) be clear about the role of diversity in the nominating process in state statutes; (4) keep the application and interviewing process transparent; (5) train commissioners to be effective recruiters and nominators; (6) appoint a diversity compliance officer or ombudsman; (7) create diverse commissions by statute; (8) maintain high standards and quality; (9) raise judicial salaries; and (10) improve record keeping (p. 3). Appointing minorities and females to the U.S. bench will increase public confidence, and it will also bring important value towards the representation of women and ethnic groups. 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Pore Structure Of Hydrated Cement - 1398 Words

PORE STRUCTURE IN HYDRATED CEMENT CE13B1023 Vatsal mittal INTRODUCTION When cement is mixed with water in order to prepare concrete, the hardened concrete formed after hydration is not a solid mass but a porous material. There is formation of pores due to water which is initially added. Water occupies some fraction of the total initial volume and after the hydration of cement water is held physically, chemically or is adsorbed on product after hydration. This leads to formation of different types of pore structure inside the hydrated cement. CLASSIFICATION OF PORES STRUCTURES IN HYDRATED CEMENT Capillary pores:-The hydration of cement leads to formation of a network of hydrated solid product with the left empty spaces between the hydrated products that are occupied by water left after hydration. These residual spaces are known as capillary pores. The capillary porosity of the cement paste depends on the original water-cement ratio and on the amount of cement that has become hydrated. 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Changes In The Victorian Age Essay Research free essay sample

Changes In The Victorian Age Essay, Research Paper The alterations in the Victorian Age, about 69 old ages long, contributed more to the promotion of the universe than the other two thousand old ages of it s being. It was a clip of enlargement, reform, and technological promotion. Thus grade couple was basically right in stating that British history is two thousand old ages old, and yet in a good many ways the universe has moved further in front since the queen was born than it moved in the remainder of the two thousand old ages put together. A moderate Whig, Lord Palmerston, had between 1830 and 1840, helped to spread out the British imperium. He served as their foreign curate and with the appropriation of new Zealand and the beginning of a war with China, it seemed as though Palmerston s clever diplomatic negotiations showed promise for the British. This thought was affirmed with eventual acquisition of Hong Kong in 1842. We will write a custom essay sample on Changes In The Victorian Age Essay Research or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page British kept spread outing. During much of the 1830 s many new reforms were passed under Lord Melbourne of the Whig party. Slavery Washington s abolished in the British Empire and the first kid labour limitations were passed. In 1832, the Reform measure was passed, spread outing elector rights to work forces with belongings. When Sir Peel of the Tories came into power, He abolished the maize Torahs leting some easiness to famine victims. The Mid-Victorian period proved to be a clip of prosperity in the field of engineering. The McCormick harvester prevented agricultural diminution while the Bessemer procedure helped simplify the steel doing procedure, profiting the industry and increasing fabric imports. Transportation system of people and goods was made easier by steamers and railroads, besides diminishing their costs. Antiseptic surgery was introduced by Joseph Lister and Florence Nightingale introduced the first modern nursing school. Many of the alterations that took topographic point in Britain during those about seven decennaries greatly affected the remainder of the universe. New things were introduced into the universe, revolutionising it, traveling it one measure closer to the modern universe today. And in 1897, Mark Twain saw that.

Platos defence of philosophy understood as critical thinking, as it is represented in Socrates trial in the Apology Essay Example

Platos defence of philosophy understood as critical thinking, as it is represented in Socrates trial in the Apology Paper This essay will firstly, ascertain and examine what exactly critical thinking is. Secondly, it will provide a brief outline of Platos Apology, and then it will outline and assess how Platos defence is represented and understood as critical thinking. Finally, there will be a conclusion of what exactly being a critical thinker entails and a short paragraph explaining how the module has improved and expanded my own capacity for critical thinking. Young (1996, p. ) states that critical thinking is the capacity people have to question beliefs and presuppositions (their own and those of others) with a view to giving reasons for them or for amending them. Put more simply, critical thinking is the procedure for understanding and evaluating the evidence which supports a certain claim or view. Critical rationality which is the capacity to criticise, that is, to assess goals, rules and presuppositions themselves and where appropriate change them is a distinctively unique human trait, which gives human beings the power to engage critical thinking (Rationality Handout). It also involves rational decision making in whether to believe or discount a point, and it also involves accepting or rejecting certain evidence. It is not simply an exchange of opinions, but a critical and vigorous attempt to find ones way through discussion and argumentation. The Apology is Platos version of the speech given by Socrates as he defends himself against the charges of being a man who corrupted the young, refused to worship the gods, and created new deities (Schofield, 1998, p. 1). Young (1996, p. ) states that Plato sees philosophy itself as namely a style of thinking which is distinctively different from, for instance, science or religion or indeed anything else. We will write a custom essay sample on Platos defence of philosophy understood as critical thinking, as it is represented in Socrates trial in the Apology specifically for you for only $16.38 $13.9/page Order now We will write a custom essay sample on Platos defence of philosophy understood as critical thinking, as it is represented in Socrates trial in the Apology specifically for you FOR ONLY $16.38 $13.9/page Hire Writer We will write a custom essay sample on Platos defence of philosophy understood as critical thinking, as it is represented in Socrates trial in the Apology specifically for you FOR ONLY $16.38 $13.9/page Hire Writer So, philosophy for Plato is not a distinctive set of conclusions or of finished truths, but a distinctive style of thinking. For Plato, Socrates embodies this distinctive way of thinking and living that is philosophy, which Young (1996, p. 2) adds is not just another way of theorizing about life but also a new attitude toward life, even a new way of living life. Socrates begins by stating that the accusations against him began because people confused him with intellectuals who claim to have expert knowledge either in the natural sciences (cosmogonists), or in the social sciences or humanities (sophists). Socrates says There is a wise man called Socrates who has theories about the heavens above and has investigated everything below the earth, and can make the weaker argument defeat, the stronger (Young, 1996, p. 2). Socrates is, in the Apology, the very embodiment of philosophy or critical thinking, so by stating the differences he is stating that philosophy does not provide expert knowledge, but instead gives a different kind of human or limited knowledge. Socrates says of himself that it seems he really possesses this. And he hints that, limited though it be, the knowledge or wisdom that can be secured via philosophy is of decisive importance for human beings (Young, 1996, p. 3). The vital knowledge Socrates talks about is the abilities and vital skills philosophy learns people of questioning everything, being inquisitive in life and not accepting things for how they are. Socrates then goes on to tell a tall story about himself, which, as with all of the Apology, it isnt just the words spoken but the action and setting plus words left unspoken, which determine the texts meaning. Socrates tells the story of his friend Chaerephon who went to Delphi and through the oracle there asks the god if anyone was wiser than Socrates. The god said that there was no one. Socrates claims to have been astonished and then states that it was reverence toward the gods which led him by his questioning activity to challenge the leaders of the State (Young, 1996, p. 3): I knew I was making myself disliked, but felt compelled to put my duty to the god before all else And by the dog, Athenians! as I pursued my questioning at the gods command, it seemed to me that those with the greatest reputations for being wise were amongst the stupidest of all; others supposed to be their inferiors were wiser, and better people too. (Young, 1996, p. 3)) An important part of critical thinking is then, according to Socrates, having the ability and open mind to listen to and question everyones views. Socrates differentiates between the all-seeing knowledge of the gods and normal knowledge which humans can gain, and states that the wisest people are those who know that they can never have this definitive and ultimate knowledge. Young (1996, p. ) adds Socrates wisdom or knowledge consists in part in the fact that he (unlike his powerful interlocutors) knows the limits of his own knowledge (or the extent of his own ignorance), whereas they do not: a person who is ignorant of x but knows herself to be ignorant of it, is to that extent wiser than someone who does not know it either but mistakenly thinks she does. Socrates gets his accusers to admit that they are ignorant and proud; to use Platos language, they are lovers of status, power and wealth, as opposed to lovers of knowledge and truth (Young, 1996, p. ) and states they will only ever become wise and less ignorant if they change their will and desire. Translating Socrates words, Young (1996, p. 4) comments Philosophical knowledge or wisdom, then, depends upon on the will at least as much as the intellect; upon desire and upon the direction of desire at least as much as abstract intellectual ratiocination; upon practice at least as, much as theorizing. Critical thinking then is an intellectual effort aiming at acquiring human self-knowledge or self- understanding. (Young, 1996, p. 4). In order to strive to achieve this, a person must have courage, be prepared to question and challenge oneself, and to continue on even though it may be upsetting some people, just as Socrates upset those in power through his philosophy of questioning and debating. Critical thinking is a way of living which one embodies in their attitudes and practices, it is also about taking others views and beliefs into consideration, and then challenging the very presuppositions that these beliefs rest on. To be a critical thinker is to be tolerant, not take things at face value and to realise that as humans our knowledge will always be limited. This should spur one on to be open-minded and to question ones thoughts and views. However, Socrates recognises that some people may be unwilling to do this out of fear of losing their credibility and reputation. One should not automatically assume what a person says is true just because they are in power, in the same way Socrates tells the youth to think for themselves and not believe everything politicians say. Young (1996, p. ) sees philosophy as a second-order study; first-order studies being those, such as sciences that deal with facts, where as second-order study focuses on the concepts using which first-order studies study the real world and its facts with a view to clarifying the structure and role of these concepts; or again instead of engaging in first-order evaluation of the world we focus on the evaluations and judgements whereby first-order evaluating is done; and so forth. Socrates was willing to die for philosophy and the distinctive way of thinking and living it entails; the statement he made he unquestioned life is not worth living (Platos Apology, p. 12) sums up his life and beliefs perfectly. He believes that critical thinking is good for both individuals and society, and that the freedom to think in this way should be defended. In asking what the good life was and how we could attain it, Socrates made critical thinking the patrimony of potentially every person who was willing to follow his leadership. His simple call to critically examine oneself and the world would both empower and challenge his followers throughout the ages. To be fully human after the example set by the life of Socrates would require any serious person to engage in the examined life (Polelle, 2008, p. 91). Socrates was the very embodiment of what it is to be a critical thinker, and he saw it as being such a crucial part of being a human being that he was willing to die for it. The very idea of critical thinking needs defending because there will always be people who are annoyed by it and who will try to take away others freedom to practice it, just as happened to Socrates in the Apology. I must admit that I have never had time for either religion or god. When I was younger I could not understand why people spent so much time out of their lives worshipping something that has never even been proved exists. It seemed very unusual to me that people would pray to a god when things got bad because how do they even know someones listening? It seemed obvious to me at the time that surely there is no higher being because if there really was, would this almighty god allow all of the suffering that goes on in the world to continue? Can there really be a god that created our earth? After studying the critical thinking module I no longer think this way. Im open to everything, even something that cant be proved, like god. I still question the ideas on which ideas and beliefs are based, but I am now more open to all ideas, no matter how strange they seem to me at the time. Instead of just ignoring the Jehovahs Witnesses at the door, I now say hi, collect some brochures from them and have a chat, although I cant see myself ever becoming a follower of Jehovah. I am open to ideas, such as god creating the world, however I do feel this is very unlikely. I have thought there must be something out there listening to gods worshippers, and surely he must exist otherwise he would not have so many followers. But then again, perhaps the bible is a hoax. I feel more inclined to believe that a big bang created the earth, mainly because there seems proof to support the fact. To be a critical thinker means to consider and debate all ideas and beliefs and I feel I am developing my ability to think critically. However, this does not mean I have to agree with everything or everyones points of view.

Compare two film posters between different genre Essays

Compare two film posters between different genre Essays Compare two film posters between different genre Paper Compare two film posters between different genre Paper Both the film posters are effective in promoting the film and conveying meaning to the audience. They both use many effective visual devices to do this. The gesture codes are effective visual devices that are used to show facial expressions and body language. Film poster one presents us with a very strong opening image. That of a towering ferocious ape, King Kong. Kong is presented in a crouching pose, shielding the female protagonist from the audience. His protective state suggests he is acting contrary to his animal roots and protecting rather then killing the human female. Also on Kongs forehead we can see a deep scar, showing that even someone as appretnly vicious as Kong can receive harm. This allows the audience to perceive Kong with perhaps not sympathy but definelty a better understanding of his appeal to the audience. The female represents a binary opposite to the posters main focus. Wheares Kong is portrayed as a huge angry ape, our woman protagonist is a small dainty and clearly in some kind of distress. This plays perfect, as her stereotypical feminity allows the audience to understand her better, and the same applies for Kongs body language, as the stereotypical big caring masculine here, or in this case anti-hero. Our female protagonist does not seem scare, rather in awe of this huge beast. Her body language prompts lack of fear and amazement at her position. War Of The Worlds seems to have no gesure codes, it differs from King Kong as it does not portay the protagonist. This is typical of the genre, often Sci-fi films focus on there monster or special effects, rather then there actors. By looking closely at the hand of the alien, we can see the hand throbbing with power and strength, thus displaying a strong action code. But by hiding the aliens face it really gives the poster a strong enigma code. The composition of mise-en-scene shows a strong contrast between the two film posters. King Kong places us above Kong, making us feel more powerful then him. Allowing us to realize that even though he is 10 feet tall, he is still an animal. Also by highlighting the vibrant New York city backdrop it gives us a chance to see the wonderland that Kong has scaled. This adds to the enigma of the poster allowing the audience to see how high he has climbed. The natural colors of the poster also makes this poster seems out of genre. An autumn summery mix of pastel like colours arent exactly typical fantasy conventions, especially ape-related fantasy. While War Of The Worlds places us at a low camera angle, below the gaping hand that is crushing our world. By placing us below the hand it really makes audience feel inferior and helpless. The pitch black background contrats perfectly with the suspended evil that the hand displays. By being very sparse and simple in its appeal , War Of The Worlds swaps emotion for a strong enigma code and downright fear. This works very well, as most Sci-Fi films do not rely on huge emotional ploys, rather than enemies or spacships. Whereas Kong does rile up various feelings. By seeing Kong on top of a large building, this builds a lot of awe, intrigue and mostly excitement. I believe this poster is a metaphor for the female protagonists love of Kong. Just sheer amazement and wonder. Both film posters lack what is considered the key convention of film posters, a tagline , but for this there is good reason. Both these posters advertise remakes of older classic versions. For this reason a tagline is not really required as the audience has there own ideas about the plot and fore knowledge of picture. Also by not placing a tagline on either poster, it really adds to the enigma codes of both films respectively. Both films intial intrest would be gained via the directors rather than the stars. Both having Oscar winning directors at the chair gives the films a sense of purpose and prestige. By having there names on the posters, it relieves the audience that these arent going to be terrible remakes. King Kong uses its maing star Kong to attract the attention of the audience. By placing him at the mainstay of the screen it will surely attract all the previous fans of the series. Whereas War Of The Worlds displays no famous stars, but by showing the alien gripping the world this will surely grip sci-fi fans.

Please give a conclusion of this presentation Essay

Please give a conclusion of this presentation - Essay Example For a good student, after graduation, he or she is married and take time to think about the future life. Get money and save for the sake of the future life and for the coming generation. For students, the major aim is to have focus on the future life. For a good student, he or she is supposed to have a good future by passing very well and avoid debts in order to build wealth by saving from the little earned at work. It is health to save money because of emergency and wealth building. Also one can avoid impulse buying because of the stress one faces and may lead to a syndrome problem. In building the wealth one must create a budget that will govern and direct the investment procedures. Wealth has values like creating security to someone and promotes investment. One should avoid credit cards because they facilitate a lot of spending. It is a challenge for the students to focus on their lives and think about their