Euler (L.Euler,1707.4.15-1783.9.18) is a Swiss mathematician. Born in Petersburg, Basel, Switzerland. Father Paul Euler is a priest and likes mathematics, so Euler grew up influenced by this. But his father insisted that he study theology to take over the future of his class. Fortunately, Euler didn't go the way his father arranged for him. My father goes to school in university of basel. He is a famous mathematician johann bernoulli (johann bernoulli,1667.8.6-1748.1) and Jacob Bernoulli (Bernoulli Jacob, 1654.6438+02.27-). Because of this relationship, Euler got to know John's two sons: Nikolai (Bernoulli of Nikolai, 1695- 1726) and Daniel (daniel bernoulli,1700.2.9-1782.3.3438). They often use little Euler's mathematics to tell vivid stories and interesting mathematical knowledge. All these have benefited Euler a lot. 1720, John Paul, held by students, became university of basel Euler and John at the age of 13, and cultivated a clever Euler. When John found that Euler's thirst for knowledge and thirst for knowledge could not be satisfied in class, he decided to give him separate counseling, answers and lectures every Saturday afternoon. John's efforts were not in vain. After strict training, Euler finally grew up. /kloc-at the age of 0/7, he became the first young master of Basel and became John's assistant. Under the guidance of John, Euler chose to solve the practical problems of highway from the very beginning. 1726 19 years old, because Euler wrote "mast configuration on board" and won the fund of Paris Academy of Sciences. This indicates that Euler is full of feathers and can fly in the future.

Zu (AD 429-500) was born in Qiu County (now Laishui County, Hebei Province) in the Northern and Southern Dynasties. He read a lot of books on astronomy and mathematics since childhood, studied hard and practiced hard, and finally made him a famous mathematician and astronomer in ancient China.

Zu's outstanding achievement in mathematics is the calculation of pi. Before the Han Dynasty, people used the "Trinity Path this week" as pi, which is the "old interest rate". Later, I found that the error rate was too old, and pi should be "the diameter of a circle exceeds one Wednesday", but I don't agree. Until the Three Kingdoms period, Liu Hui put forward a scientific method to calculate pi-"circle", that is, using polygons to approximate the circumference of a circle. Liu Hui calculated that the circle inscribed with 96 polygons, π= 3. 14, and pointed out that the number of sides inscribed with regular polygons can get a more accurate value of π. On the basis of previous achievements, through hard study and repeated calculation, it is obtained between π3. 14 15926 and π 3. 14 15927. And draw the approximate value of π score, take the reduction rate as the reduction rate, and require six decimal places to be 3. 14 1929, which is the closest numerator and denominator value of π score. Is the exact way to achieve this result, and it is not available now. If his vision is pursued by Liu Hui's secant method, then we have to calculate the inner circles of 16384 polygons, which requires a lot of time and energy. How great the labor is! Therefore, his tenacious perseverance and clever knowledge are admirable. Zu Chongzhi worked out the secret rate, and foreign mathematicians also got the same result, which was 1000 years later. Outstanding Contributions In memory of Zu Chongzhi, some foreign historians believe that π = mathematics is called "ancestral rate".

Zu Expo is a famous classic, seeking truth from facts. From many comparative analyses of his personal information, calculation and measurement, he found serious mistakes in the past calendar and his courage to improve in 33 preparations when he succeeded. Daming Calendar opened a new era in history.

Nozuzuxuan and his son (also a famous mathematician) solved the calculation of sphere volume with ingenious methods. The principle they use is: "Considering the power potential, the product is not exclusive." The device is located between two parallel two-dimensional planes, which are cut into lines. If the constants of the two areas are equal, the cross-sectional areas of the two-dimensional volumes are equal. This principle is called the western cavalieri principle, but it is the ancestor after one thousand years, and only Kaka can find it. We call this principle "ancestral grave principle" to commemorate the outstanding contribution of our fathers.

Chen Jingrun is thunderous. Goldbach conjecture, amazing sacredness.

What Goldbach's conjecture is is not important to most people. This is a dilemma. What is important is that Chen Shui-bian's research adheres to the spirit. The spirit of reform and opening up has become a banner of scientific mobilization.

The reportage Goldbach Conjecture, which made Chen Jingrun famous in the world, is in the hands of the poet Xu Chi. Goldbach's conjecture of romantic poets about professional style. Since then, "the jewel in the crown of mathematics" has become another name for Goldbach's conjecture. In addition to Chen Shui-bian's "Pearl" becoming an idol, it caused a craze for everyone to learn mathematics and science, and a sudden feast was placed in front of the hungry people. Dull mathematics

In the study of Chen Jingrun Day, Xu Chibi turned into "Scarcity, Rhododendron Alpine, Ginseng Forest, Lotus Iceberg, Auricularia auricula, Peony" with extremely abstract thinking, and a series of avalanche of fable lyrics became mathematical formulas. Researchers themselves are romantic, even romantic, but research itself is difficult to be romantic. Due to the criticism of academic research and the embarrassment of life, I have been almost down and out for many years. In order to save living expenses, Chen usually doesn't bite, only drinks soy sauce with water.

This is considered to be one of Chen Shui-bian's "Frankenstein". He scrimped and saved, didn't buy a toothbrush,/kloc-the weather in October, and others were still wearing light clothes. He even put on a coat, which was "strange". As an idol of the times, it completely influenced Chen Jingrun. Because of his famous achievements, he experienced disasters in adversity and an upward national spirit.

Since then, Chen has become quite popular. At that time, he was surrounded by "idolized" ways-inviting him to make a long series of reports. 2006

After Chen Jingrun's death 10, he participated in the proof of Poincare's conjecture. A reporter interviewed Qiu Chengtong, a mathematician in China, and incidentally mentioned Qiu Chengtong's Goldbach conjecture, saying that it was a number theory problem, but it was not included in the "seventh century mathematical problem", rather than the most important challenges on the court. He also said that Goldbach conjecture is "beautiful", but it is a relatively isolated proposition, that is, it will not destroy other studies and has a very important role.

To prove the geometric meaning of "1+ 1 = 2", professionals have different opinions, and the public is not clear about it, but people like Xu Chi to create romantic fairy tales. No matter what academic role we guessed by Goldbach, this "pearl" led to China's learning craze, which was a fashion, a pursuit of science, and even a kind of hysteria. Money worship is popular nowadays, and the faded appearance of romantic dreams is so short. Our spirit of understanding, respecting knowledge, attitude and pursuing science has not really arrived.