When the news from the Tang Daily reached the Imperial College, it caused another uproar, especially in the School of Mathematics, which caused an unprecedented shock.
Li Zexuan had "resigned" in anger. Not only did he "take" all the students from the School of Mathematics, but he also "poached" the original teacher, Xu Hongzhi. The School of Mathematics was once in an awkward situation where there were no teachers or students.
Left with no choice, Kong Yingda personally came forward and invited the retired Professor of Mathematics, Liu Hongyuan (Xu Hongzhi's mentor), to come out of seclusion once again. He also selected a group of students from the various prefectures to fill in the gaps. (After all, the majority of students were still willing to go to the Imperial College these days. Although Yanhuang Academy was very famous now, its reputation among the people was still not as good as the Imperial College, the number one official school of the Tang Empire.)
It was worth mentioning that the enrollment scale of the School of Mathematics this time was about two times larger than before. A total of 71 students were recruited. It was as if they wanted to compete with Yanhuang College in the field of mathematics.
Other than the increase in students, Kong Yingda also hired three teaching assistants to help Liu Hongyuan teach the School of Mathematics. Therefore, the School of Mathematics was now more than one level higher than before in terms of both the number of students and the number of teachers!
Inside the School of Mathematics.
"Hey, did you hear? The Marquis of Yong 'an made a simple needle-throwing game and was able to calculate the approximate value of the ancestral rate. It's amazing! "
"I saw the newspaper, but I think it must be a coincidence. After all, whether the needle is thrown or not depends on luck. He was able to get such a result because of luck! "
"I also think it's a coincidence! If he did it again, the result would definitely be different! "
"I don't think so! Since the Marquis of Yong 'an dared to announce this experiment on Datang Daily, he must be prepared to be questioned! This means that this experiment can be questioned! "
"Speaking of which, why isn't Mr. Liu here yet? In the past, he would have already arrived at this time! "
"Mr. Liu is here, Mr. Liu is here!"
Just as the students were discussing, an old man in white clothes made of rough cloth came in. Together with his white hair, he looked inexplicably weathered. There were three middle-aged scholars following behind the old man. They all deliberately stayed half a step behind the old man to show their respect. The classroom, which had been noisy just now, suddenly became quiet.
"Haha! This old man heard you all talking about the needle experiment in the newspaper just now. Presumably, you all want to know whether the results in the newspaper are a coincidence or not, right? "
The old man stood on the podium and chuckled as he looked at the students below.
This old man was Liu Hongyuan. He had already reached the age where he could enjoy the rest of his life, but he was invited back. He had stayed in the Imperial College for more than ten years, so he was still reluctant to leave this place!
No students responded. After being in the Imperial College for so long, they all knew that the majority of the teachers in the Imperial College did not like students discussing matters related to Li Zexuan. This was already an unspoken fact.
Although they couldn't make a sound, the students' eyes were all shining as they looked at Liu Hongyuan.
Liu Hongyuan did not have any prejudice against Li Zexuan. On the contrary, he had bought a copy of Li Zexuan's new mathematics textbook and studied it. Seeing that the students wanted to speak but did not dare to, he smiled and said:
"Actually, it's not just you all who want to know. This old man also wants to know whether the results obtained by the Marquis of Yong 'an are a coincidence. Before class, this old man prepared a piece of paper with lines drawn on it and a bag of thin needles. The distance between the lines and the length of the needles are exactly as described in the newspaper. Thus, today, our Imperial College will also conduct a needle experiment to see if the results in the newspaper are a coincidence ~! "
As Liu Hongyuan spoke, he took a gray cloth bag from an assistant teacher. Inside was a piece of paper with lines drawn on it and a bag of thin needles. The reason why he was late for class today was to prepare these two things!
When the students heard this, they could not help but whisper among themselves.
"Wow! We are also going to conduct a needle experiment? Mr. Liu is really open-minded! "
"Hey! If we can prove that the results in the newspaper are a coincidence, won't our Imperial College become famous this time? "
"Haha! In my opinion, it is most likely a coincidence! "
"Haha, I don't think so!"
Liu Hongyuan patted the table and signaled for the students to be quiet. Then, he said, "There are a total of 71 students in the Imperial College of Mathematics. The number is still a little small. In order to match the total number of needles in the newspaper, you will all come up in order to cast the needles. Each of you will cast ten times. Be careful not to use too much force and throw the thin needles out of the paper. The three teachers and I will help you count the number of times you cast the thin needles. Yao Yuanhe, come up. We will start with you ~! "
Then, Liu Hongyuan spread out the paper and instructed a student sitting at the door.
"Yes, Mr. Liu!"
The student responded and ran up excitedly.
The other three assistant teachers took a pen and paper and stood behind Liu Hongyuan, ready to take notes.
The verification experiment of the needle throwing experiment was officially launched in the Imperial College of Mathematics.
The whole experiment lasted for more than an hour before it was announced to be over. Since it was a real-time count, the assistant teachers immediately counted the number of needles cast by the students each time they cast the thin needles. Therefore, the final results were tabulated not long after the experiment ended.
Liu Hongyuan checked his own statistical results with the three assistant teachers. When he found that the results were the same, he turned to the students and said, "We have a total of 71 students. Each of you cast ten times, which means that you cast 710 times in total. After the three teachers and I tabulated, you cast the thin needles in the center line a total of 226 times ~!"
As soon as his voice fell, a student with a slightly better memory immediately exclaimed, "710, 226, the results on the newspaper are 713, 227! Our results are so close to the ones in the newspaper ~! "
"Wow ~!"
All the students in the hall were in an uproar.
The three assistant teachers on the podium were also stunned. This was because at this time, they also recalled the data in the newspaper.
Liu Hongyuan's expression didn't change. He turned around, picked up a piece of chalk, and started calculating on the blackboard. When the students saw this, they hurriedly stopped their discussion and quietly watched Liu Hongyuan calculate.
710226 = 3.14159292 …
When he reached the seventh decimal place, everyone's expressions became interesting. Liu Hongyuan, who had always been calm in the face of changes, was no exception. At this moment, the old teacher was so excited that he was trembling all over. He didn't even notice that the chalk in his hand had fallen to the ground.
"A miracle! I, I actually calculated the sixth decimal place of the ancestral rate … This … "
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