Otaku Engineer in Great Tang Dynasty

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After the news from the "Datang Daily" reached the Guozijian, it caused an uproar again, especially in the arithmetic hall, which caused an unprecedented shock.

Because Li Zexuan "resigned" in anger at the beginning, not only did he "take" all the students of the school, but even Xu Hongzhi, the former master of the school, also "digged" away. embarrassing situation.

In desperation, Kong Yingda personally came forward and invited Liu Hongyuan (Xu Hongzhi's mentor), a former mathematician doctor who was deceased at home, to come out again, and selected a group of students from various prefectures to fill in (after all, students who are willing to go to Guozijian these days still account for more than half of them). Most of them, although the Yanhuang Academy is also very famous now, its popularity among the people is still not as good as that of the Guozijian, the first official school of the Tang Dynasty), so the School of Mathematics has resumed normal teaching!

It is worth mentioning that the enrollment scale of the School of Mathematics has doubled compared to the previous one. A total of 71 students have been enrolled. It is very likely that they want to compete with Yanhuang Academy in the field of mathematics.

In addition to enrolling more students, Kong Yingda also hired three teaching assistants for the School of Mathematics to help Liu Hongyuan teach the School of Mathematics. Therefore, today's math museum is more than one grade higher than before in terms of the scale of students and teachers!

Inside the School of Mathematics.

"Hey, have you heard? Yongan Hou made a simple game of throwing needles, and he can easily calculate the approximate value of the ancestry rate. It's amazing!"

"I've read the newspaper, but I think it must be a coincidence, right? After all, it's entirely a matter of luck whether the needle is pressed or not, and it is entirely by luck that he can get such a result in the end!"

"I think it's a coincidence too! If he did it again, the result would definitely be different!"

"I don't think so! Since Yongan Hou dared to publish this experiment in the "Datang Daily", he must have been prepared to be questioned! That is to say, this experiment can stand up to doubt!"

"By the way, why hasn't Mr. Liu come yet? At this time in the past, his old man should have come a long time ago!"

"Mr. Liu is here, Mr. Liu is here!"

Just as the students were discussing, an old man in white cloth came in at the door, and with his gray hair, he seemed a little vicissitudes of life. The old man was followed by three middle-aged scribes, all of whom were deliberately half a step behind the old man to show respect. The schoolhouse, which was noisy just now, suddenly became quiet.

"Haha! The old man just heard you all talking about the needle injection experiment in the newspaper. You must all want to know if the result in the newspaper is a coincidence?"

The old man stood on the podium, looked at the students below and laughed.

This old man is Liu Hongyuan. He had already reached the age of rejuvenation, but he was invited back. After more than ten years in the Guozijian School of Computing, he was still a little reluctant to give up here!

None of the students responded, because they had been in Guozijian for so long, and they all knew that most of the teachers in Guozijian did not like students to talk about things related to Li Zexuan, which was a tacit fact.

Although they couldn't make a sound, the students' eyes were all staring at Liu Hongyuan.

Liu Hongyuan has no prejudice against Li Zexuan. On the contrary, he has bought a copy of Li Zexuan's new math textbook and studied it. Seeing the students who want to say something but dare not say it, he laughed again:

"Actually, not only do you want to know, the old man also wants to know if the result obtained by the Marquis of Yongan is a coincidence. Before the class, the old man prepared a piece of paper with scribed lines, and also brought a bag of fine needles, the distance between the scribed lines and the needles. The length is exactly the same as the description in the newspaper. So today, let's do a needle injection experiment at the Academy to see if the result in the newspaper is a coincidence~!"

As Liu Hongyuan spoke, he took a gray cloth package from a teaching assistant. Inside was a piece of rice paper with lines drawn, and a package of fine needles. The reason why he was late for class today was to prepare these two things!

When the students heard it, they couldn't help but discuss in private.

"Wow! We are also going to do a needle injection experiment? Mr. Liu is really enlightened!"

"Hey! If it can be proved that the results in the newspapers are coincidences, won't the school become famous this time?"

"Haha! In my opinion, it's probably a coincidence!"

"Hehe, I don't think so!"

Liu Hongyuan patted the table, signalling the students to be quiet, and then he said, "We have a total of 71 students in the School of Computing, which is still a bit small. In order to be similar to the overall number of needle injection experiments in the newspaper, you will follow the order in a moment. Come up to cast the needles, each person throws ten times, be careful not to use too much force and throw the fine needles out of the paper. Three gentlemen and I are by the side to help you count the number of times the fine needles are pressed. Yao Yuanhe, come up, from your side Start~!"

After that, Liu Hongyuan spread out the rice paper and instructed a student sitting at the door.

"Yes, Mr. Liu!"

The student responded and ran up excitedly.

The other three teaching assistants, holding papers and pens, stood behind Liu Hongyuan, ready to record.

The verification experiment of the needle injection experiment was officially launched in the Guozijian Institute of Computing Science.

The whole experiment lasted for more than half an hour before it was declared over. Because the statistics were real-time, the thin needles thrown by the students pressed the thread once, and the teaching assistants immediately counted them. Therefore, it was not long after the experiment ended, and the final results were counted. .

Liu Hongyuan checked his statistical results with the three teaching assistants. After finding that the results were the same, he turned around and said to the students below.

Said: "We have a total of 71 students, each of whom has voted ten times, which means that you have voted a total of 710 times just now. According to the statistics of me and the three gentlemen, there are a total of 220 thin needles pressing the center line. Sixteen times~!"

As soon as he finished speaking, a student with a better memory immediately exclaimed: "Seven hundred and ten, two hundred and twenty-six, the result in the newspaper is seven hundred and thirteen, two hundred and twenty-seven! Our The result is so close to the one in the newspaper~!”

"Wow~!"

The whole class of students immediately burst into an uproar.

The three teaching assistants on the podium also looked stunned, because at this time, they also recalled the data in the newspaper.

Liu Hongyuan didn't change his face, he turned around, picked up the chalk and started the calculation on the blackboard. When the students saw this, they stopped talking and watched Liu Hongyuan's calculation quietly.

710/226=3.14159292…………

When the seven decimal places were counted, everyone's expressions became wonderful, and Liu Hongyuan, who had always been calm, was no exception. The old gentleman was shaking with excitement at this moment, and the chalk in his hand fell off and he could not taste it, he heard him mutter to himself:

"A miracle! Old man, this old man actually calculated the sixth decimal place of the Zu rate... This..."

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