800-word mathematical science and technology paper.
What exactly is mathematics? We say that mathematics is a science that studies the relationship between spatial form and quantity in the real world. It is widely used in modern life and production, and it is an indispensable basic tool for studying and studying modern science and technology. Like other sciences, mathematics has its past, present and future. We know its past only to understand its present and future. Modern mathematics has developed extremely rapidly. In recent 30 years, the new mathematical theory has exceeded 65438+. Double? It won't be 10 year. So after understanding the past of mathematics, it is very beneficial to have a general understanding of the present and future of mathematics.
An obvious trend in the development of modern mathematics is that all sciences are going through the process of mathematization. Physics, for example, has long been known to be inseparable from mathematics. In colleges and universities, it is also a well-known fact that students of mathematics department should study general physics and students of physics department should study advanced mathematics. Another example is chemistry, which uses mathematics to quantitatively study chemical reactions. As variables, the concentration and temperature of substances involved in the reaction are expressed by equations. Stable solution? Study chemical reactions. We should not only apply basic mathematics, but also? On the border? 、? Developing? mathmatics For example, in biology, we should study periodic movements such as heart beating, blood circulation and pulse. This movement can be expressed by an equation. Periodic solution? By studying the generation and maintenance of this solution, we can grasp the above phenomena in the biological world. This shows that biology has developed from qualitative research to quantitative research in recent years, and it is also necessary to apply it? Developing? mathmatics This has made great achievements in biology. When it comes to demography, it is not enough just to add, subtract, multiply and divide. When we talk about population growth, we often talk about the annual birth rate and death rate. So, if we subtract the death rate from the birth rate, is it the annual population growth rate? No, in fact, people are constantly born, and the number of births is related to the original base. So is death. This situation is called in modern mathematics? Dynamic? Yes, you can't just do simple addition, subtraction, multiplication and division, you have to do complicated ones? Differential equation? To describe. The study of this kind of problems can not be separated from equations, data, function curves, computers and so on. Finally, it can be clear how each family can have only one child, how to have only two children and so on. As for water conservancy, we should consider sea storm, water pollution and port design. And these problems are described by equations, and then the data are input into the computer to find out their solutions, and then compared with the actual observation results, so as to serve the actual situation.
When it comes to exams, students often think that exams are used to check students' learning quality. In fact, the examination methods (oral examination, written examination, etc. ) and the quality of the test paper itself is not the same. Modern educational statistics and educational metrology measure examination quality through quantitative indicators, such as validity, difficulty, discrimination and reliability. Only qualified exams can effectively check students' learning quality. As for literary sports, mathematics is also indispensable. Get rid of a top score? , again? Get rid of a minimum score? Then calculate the average score of the remaining scores as the actor's score. Statistically speaking? The highest score? 、? Minimum score? The credibility of is the lowest, so they were deleted. All this contains mathematical truth. Guan Yu, a famous mathematician in China, said: There are various inventions in mathematics, and I think there are at least three: one is to solve classic problems, which is a great job; First, put forward new concepts, new methods and new theories. In fact, it is this kind of person who has played a greater role in history and is famous in history; Another is to apply the original theory to a new field, which is a great invention from the application point of view. This is the third invention. There are many beautiful flowers here, and the future of developing mathematics and other sciences into comprehensive sciences is infinite.
As Mr. Hua said in May, 1959, in the past 100 years, mathematics has developed by leaps and bounds, so we can use it without exaggeration? Mathematics is everywhere in the universe, tiny particles, the speed of rockets, the cleverness of chemical engineering, the change of the earth, the mystery of biology, the complexity of daily life, etc? Summarize the extensive application of mathematics. It can be predicted that the more advanced science is, the wider the scope of applied mathematics will be. In principle, mathematics can be used to solve all related problems in scientific research. It can be asserted that there are only departments that can't apply mathematics now, and they will never find areas where mathematics can't be applied in principle.
Mathematical science and technology 800-word thesis II
In life, mathematics is everywhere, in supermarkets, restaurants, homes and schools? Are inseparable from mathematics. I also have several personal experiences in mathematics, and I choose two of them to tell you.
I remember when I was in the third grade, once, my mother and I went to the supermarket. Now the supermarket is having a Spring Festival discount, and the discount for each product is different. I took a fancy to a pack of Want Want spree at a glance. The net content is 628 grams. Original price 35 yuan. There is a 20% discount now, but how about a 20% discount? I asked my mother. My mother told me that a 20% discount multiplied by 0.8 is 35*0.8=28 (yuan). I suddenly realized. I'm going to buy this Want Want gift package, but my mother told me that the Want Want gift package in the back might be cheaper, so I'm going to have a look in the back. Walking, I saw the seller of Want Want Gift Package again. The net content is 650g. The original price is 40 yuan, and now it's also 20% off. Now, I'm worried. The net content is different, and the original price is different. Which is cost-effective? I asked my mother again. Mom told me that 35*0.8=28 (yuan), 40*0.8=32 (yuan), a bag of 628 grams, the current price of 28 yuan, another bag of 650 grams, the current price of 32 yuan. Use 28/628? 0.045,32/650? 0。 049, 0.049 >0.045, so the second bag is cheaper, so we bought the second bag. Through this shopping, I know how to calculate the discount and which product is more cost-effective.
I remember when I was in the fourth grade, I went out to play with a friend, and my friend's mother gave us a question: 1~ 100. Everyone can bid for 1, 2, 3, and whoever bids for 100 first will win. As soon as my voice fell, I thought about how to win. I thought: this must be a mathematical strategy problem. I can't report it blindly. There must be some math problems in this. If 1+3 = 4, 100/4 = 25, I can't be the first to report it, only the last. If she reports the number of X, I will report it. (4 Facts have proved that this math problem is a typical countermeasure problem, and it needs thinking to win. By the sixth grade, I also learned this kind of knowledge, but it was more difficult. Through this trip, I like countermeasures, and I like thinking and looking for mysteries in mathematics.
Mathematics is like a mountain peak, soaring into the sky. I felt relaxed at first, but the higher I climbed, the steeper the peak became, which made people feel scared. At this time, only those who really love mathematics will have the courage to continue climbing. Therefore, people who stand at the peak of mathematics all like mathematics from the heart. People who stand at the foot of the peak will never see the peak. Only by discovering and feeling mathematics in life can we broaden our horizons!
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