Zhu Yuanzhang returned to Daming.

At the sound of an order, among the Qin Tianjian, Neilingtai, Ministry of Industry and other yamen, all those who were proficient in arithmetic were selected to come to the Huagai Hall to listen to his will.

Half a quarter of an hour later, all the people came together and entered the canopy hall together, intending to pay their respects.

"Excuse me!"

Zhu Yuanzhang saw that a large group of people were in a mess, so he exempted them from kneeling and said, "I have a new method of arithmetic from Chu Zhenren, and I will circulate it to you first." ”

The eunuch was ready, and immediately held the book in front of Qin Tianjian, Neilingtai, Ministry of Industry and others, and slowly flipped the book for them to read.

A group of people did not dare to speak out.

Until Zhu Yuanzhang said: "You guys are discussing and seeing how good this new arithmetic method is." ”

So the crowd began to talk in a whisper.

"This is the number of the Western Regions?"

"It's like Tianzhu."

"Chu Zhenren used the numbers of the Western Regions...... The calculations look much simpler. ”

"What is this = symbol?"

"Brother Yuan, please look here, it seems to be the same as the "Four Yuan Yujian" neutral Tian Yuan 1 is xx, and Di Yuan 1 is 00...... This is called setting the unknown x,y,z? It is a Western letter. ”

"The stacking technique is called the sum of the equal difference sequence by Chu Zhenren?"

"Chu Zhenren has changed a lot of things."

In the main hall, the discussion of everyone became more and more enthusiastic, because of the name of Chu Zhenren, plus His Majesty personally took out the book, they had almost no objection to these calculation methods using Western Fanyi numbers and letters.

What's more, Chu Zhenren also added many symbols that they had never heard of, forming an extremely concise and effective calculation method that they had never seen before!

"Be quiet!"

Jin Liyuan saw that everyone in the hall was talking louder and louder, so he hurriedly told them to be quieter.

"It's okay."

Zhu Yuanzhang raised his hand to stop him, his face was full of smiles, and he smiled at everyone: "I am very pleased to see that you are all quite good at mathematics, there are all mathematical talents in the Ming Dynasty!" ”

He was in Chu Zhen's place, and when he saw these math books, he had a headache, and once doubted that anyone in Daming could understand them.

Who knows, just a few officials of Qin Tianjian can easily understand Chu Zhen's high school math books!

"The ministers are terrified."

Qin Tianjian, Neilingtai, Ministry of Industry and other courtiers hurriedly bowed modestly.

"I'm satisfied!"

Zhu Yuanzhang praised the courtiers again, and asked them with a smile: "Do you think the new arithmetic method given by Chu Zhenren is not feasible?" You don't have to say Xue Shangshu, Supervisor Yang ordered you to say it. ”

Xue Xiang, the secretary of the Ministry of Works, was helpless.

Who made him unfamiliar with the professional things of the Ministry of Engineering?

He can be the secretary of the Ministry of Industry, but there is no one left, plus he has enough qualifications.

"Your Majesty!"

Yang Ye, the supervisor of Qintian, stood up and reported respectfully: "The minister has not carefully observed the new arithmetic method given by Chu Zhenren, but only slightly seen some familiar arithmetic problems, the calculation process given in Chu Zhenren's book is concise and clear, the size, and the same, these symbols want to be carefully considered by Chu Zhenren, and we can also use them in arithmetic!" ”

That is, at least these symbols are usable.

He had seen these symbols for the first time, but could roughly deduce what some of them meant.

"What do you think?"

Zhu Yuanzhang asked again.

Qin Tianjian carved Dr. Yuan Tong also stood up, followed by the young eunuch of the inner spirit platform - the inner spirit platform is similar to the Qin Heavenly Prison, except that both are held by eunuchs.

Zhu Yuanzhang listened to their opinions one by one and quickly made a decision.

Jin Liyuan took out a mobile phone and showed it to everyone.

Zhu Yuanzhang said: "There is a video of Chu Zhenren explaining these teaching materials to me, I will lend it to you temporarily, and the supervisor of the Shangbao Bureau will play it for you."

Xue Xiang, the secretary of the Ministry of Works, Yang Ye, the supervisor of Qintian, and the young eunuch of Neilingtai. ”

He first clicked the general, and then instructed the will: "You are responsible for integrating the knowledge in the mobile phone video and textbooks into a book, and send it to me to read it in a month, and after the court discussion, it will be distributed to the political envoys of the various undertakings, so that the people of the world can learn the arithmetic methods in it." ”

After a pause, Zhu Yuanzhang said again: "This year's imperial examination, as well as next year's palace examination, candidates can use the new and old methods to answer, if the new method is feasible, in the future, the imperial examination, the Ministry of Industry, Qin Tianjian, etc., will use the new arithmetic method!" ”

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He remembered that Chu Zhen had a saying:

The unification of mathematical symbols, like the unification of weights and measures by Qin Shi Huang, had a profound impact on later generations.

Now that he has unified mathematical symbols during the Hongwu period, future generations will have to give him a credit!

"Wait for the order!"

The courtiers did not dare to slack off.

This is a major event related to the examination of students all over the world, if the book is not well compiled, they will be scolded to death by the world's scholars.

Zhu Yuanzhang instructed Jin Liyuan, "Send the mobile phone to the supervisor of the Shangbao Bureau, and ask him to arrange for someone to play the video in Wenyuan Pavilion next to the noon gate, and take two power banks as backups." ”

"Yes, Your Majesty!"

Jin Liyuan received the order, holding the mobile phone in both hands and going out to run errands, two.

His Majesty has long decreed that all mobile phones, power banks, data cables, solar panels and other objects are not allowed to leave the palace.

And every night counts, less than one can be done.

Xue Xiang, Yang Ye, Yuan Tong, Li Dexiu, deputy superintendent of Qintian and others, were all curious about the so-called mobile phone.

They heard some news from the palace that Chu Zhenren had sent His Majesty another magical treasure.

can shine, can act in Journey to the West, can make vocals, and so on.

The mystery is very.

I can't believe they can look at their phones now!

Come to Wenyuan Pavilion.

Xue Xiang immediately discussed with them how to arrange for people to write the new law manually, who would watch the videos, who would be responsible for reading the teaching materials, and arrange for someone to come to Wenyuan Pavilion to be responsible for copying a few copies of these books.

Half an hour later.

The eunuch of the Shangbao Bureau came with more than a dozen eunuchs, and a eunuch behind the eunuch was holding the same thing they had just seen... Cell phone!

"You're on the lookout!"

Zhang Quan, the supervisor of the Shangbao Bureau, respectfully put the mobile phone on a table covered with thick satin, and smiled at the sitting officials:

"Don't panic later, this mobile phone is not a demon, it is a treasure given to His Majesty by Chu Zhenren, it can release a portrait of a person, lifelike, and can also play sonata music, with solar panels and power banks, it can absorb the essence of the sun and turn it into lightning, and store it!"

Everyone was shocked and inexplicably shocked when they heard it, and their hearts were itching, and they craned their necks to watch.

Zhang Jianling told some precautions again, and then pressed the switch of the mobile phone to turn it on.

The phone screen glows.

"This!"

"It really shines!"

The officials of the Ming Dynasty who saw their mobile phones lit up for the first time were very shocked and looked at the small screen intently.

Zhang Jian Ling smiled secretly in his heart, these days, His Majesty and the Queen Mother have watched Journey to the West together at lunch and dinner every day, and the palace maids and eunuchs around them have also watched a lot, and various plots of Journey to the West have already begun to be spread in the palace.

What is the Heavenly Palace, the peach feast, Bi Ma Wen, the Five Elements Mountain and so on.

Now these court officials outside have wide eyes after seeing their mobile phones, and it is funny to watch.

"Isn't it scared to death if someone appears on your phone later?"

Thinking secretly in his heart, Supervisor Zhang ordered to click on the video again.

A teacher with a whip in his hand appeared and said, "Children, let's start the first lesson......

"What?!"

Shangshu Xue Xiang, Jian Zheng Yang Ye and others were really scared!

Inside the mobile phone, it is clearly a living person.

"Silence!"

Supervisor Zhang ordered them to drink, "This is a treasure given to Your Majesty by Chu Zhenren, and it is not an evil thing, and the people in it are just images." ”

Only then did the crowd gradually stop the commotion.

Zhang Jian Ling said: "You look carefully, in the next four or five days, come to Wenyuan Pavilion to read this." Miscellaneous only plays it once. ”

Seeing that these court officials all took out paper and pens to record, Supervisor Zhang nodded with satisfaction and ordered the four eunuchs to stay and watch their mobile phones and play videos to them.

He went back to his life.

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