The beginning of the Three Kingdoms Cheng Yuanzhi

Chapter 62 Shangdang Academy
When the sun rose the next day, Zheng Xuan had already packed his bags, and at the same time sent a message to fourteen scholars including Xun Shuang, Shen Tupan, Xiang Kai, Han Rong, Chen Ji, and Chen Chen...

The old man is going to the party, where is the paradise of arithmetic, the utopia where knowledge collides, and the hometown of scholars...

Then, without waiting for everyone to reply, he hurriedly embarked on the official road to Shangdang County.

But in two or three days, they arrived at the eldest son city of Shangdang County.

The prefect Zhang Yang warmly welcomed him, and arranged for him to stay in the civilian residence next to the prefect's mansion, and arranged a team of soldiers to guard him.

But according to what he saw and heard along the way, Zheng Xuan discovered that this Shangdang County had nothing at all, and was extremely poor.

I heard that the population is still small, with a total of less than 20 people.

This confused him a little.

Shangdang County with such a backward economy, is mathematics really so developed?
Aren't all studies done only when one has enough to eat?Poor people are too busy farming, so they still have time to study arithmetic?

No way?
Could it be that the old man came here not because of Shangdang, but because he was tricked?
There was also the prefect Zhang Yang, who said he was the prefect, so he didn't say anything if he didn't know a single word, and he would count for a long time with his fingers for three plus five.

Then say it equals seven...

Will such a person be proficient in arithmetic?
What should I do, is there still time for the old man to run away?

Zheng Xuan panicked a little.

No, since they tried their best to trick the old man here, they definitely won't let the old man go easily.

Those cavalry trained in the streets must be used to catch runaways.

Serious prefect, who will train troops in the city?Still cavalry!

Zheng Xuan immediately vetoed the idea of ​​escaping, and decided to take a look.

If the salary is good, it is not impossible to live in Shangdang for a period of time.

Think of it as knowledge-based poverty alleviation.

In the opinion of the old man who has peaches and plums all over the world, does the prefect Zhang Yang really dare to detain the old man?

Thinking of this, Zheng Xuan's heart suddenly skipped a beat.

Bad... those messages!
While panicking, the door of the residence was suddenly pushed open, and a group of scholars walked in happily.

Zheng Xuan took a closer look, Xun Shuang, Shen Tupan, Xiang Kai, Han Rong, Chen Ji, Chen Chen...

Good fellows, no more and no less than 14 people, all those who delivered the message are here, no less!

Xun Shuang rushed over with his hands outstretched, and shouted: "Duke Zheng, you came to Shangdang and didn't expect me to wait. It's so embarrassing!"

"Yeah, yeah, I'm going to hurry up and hurry up, so I can barely get over here..."

The crowd joined in.

Hearing this, Zheng Xuan's heart sank.

Hasty, brought friends and disciples to the fire pit!

At this time, the door was roughly pushed open again, and Zhang Yang walked in with a group of soldiers.

Holding three volumes of brocade silk in his hand, he unfolded the first volume and said:
"Addition formula, one up one, one down five to four, one down to nine into one,

Two to two, two to five to three, two to eight to one.

Three to three, three to five to two, three to seven to one.

Four to four, four to five to one, four to six to one..."

What is this reading?
All the scholars looked at each other as if they were listening to a scripture from heaven.

Only Zheng Xuan's eyes lit up, and he noticed Zhang Yang's previous "addition formula".

If there are addition formulas, there will naturally be subtraction formulas.

Thinking of this, he waved his hand to signal everyone to calm down and continue listening.

Zhang Yang unfolded the second volume of brocade silk and read: "Subtraction formula: down one, one up four to five, one back one back nine."

"Two to two, two to three to five, two to one to eight."

"Three down three, three up two to five, three back one back seven..."

After reading the second volume, Zhang Yang unfolded the third volume before everyone digested the content...

This time it's the multiplication formula.

After reading, Zhang Yang added: "There will be division formulas later."

Zheng Xuan was in a fog when he heard it, and there seemed to be a bright light in his mind.

He immediately jumped up and asked eagerly: "Who wrote this book? It's so mysterious!"

"Could it be Xu Yue?"

"No!"

Zhang Yang chuckled, and said in a calm manner: "Duke Zheng, this book is a treasure book of mathematics bestowed on me by the gods in Shangdang County. If you want to borrow it to study, it is not difficult, as long as..."

"Just what?" everyone asked in unison.

"As long as you agree with this prefect, you can learn the first two volumes of formulas for addition and subtraction after serving as an official in Shangdang County for three years."

"On this basis, as long as you serve as officials in Shangdang County for another three years, you can learn the third volume, which is the multiplication formula."

"Afterwards, if you are still interested in division formulas... You can stay for another three years."

"At the same time, I, Shangdang County, provide arithmetic tools to ensure that from now on, everyone will be a fortune teller, and there will be no difficult calculations in the world!"

After finishing speaking, Zhang Yang stretched out his hand, took the abacus from the soldier, and gave it a crackling sound.

Zheng Xuan asked cautiously: "What... what is this?"

"abacus!"

"How does this thing work?"

"It can be accompanied by a formula."

"So Easy?"

"Of course."

Zheng Xuan suddenly felt that he had learned a lot today.

He had heard of such things as abacus, and it was created by Xu Yue, a famous scholar of the same generation. In his "Shu Shu Ji Yi", there is a saying: "One pearl on the top is worth five, and every pearl on the bottom is worth one."

The abacus was created, but Xu Yue himself is still exploring the algorithm, and he has not yet figured out a mature addition and subtraction algorithm.

But why does Shangdang County not only have mature methods of addition and subtraction, but also multiplication and even division!

how can that be!

In a daze, Zhang Yang had already put aside his calculations and walked out holding three volumes of formulas.

"Everyone, take a good rest, the prefect is waiting for your reply."

The courtyard fell silent, and all the scholars had their own thoughts.

Only Zheng Xuan looked excited.

He has studied Confucianism and Confucian classics thoroughly, and there is almost nothing to study. Only arithmetic, he is still far away from Xiaocheng, and he can't even be called an entry-level.

Take marching and fighting as an example. It is not difficult to calculate the food and clothing expenses of a thousand soldiers and horses for a month or even half a year.

Count without rest for a day or two, first calculate the cost of the man, then calculate the cost of the horse, then add them up, and then add up thirty times, and you will have the number.

But what if it costs [-] soldiers and horses a month?What about the cost of [-] soldiers and horses for half a year?What about the cost of millions of soldiers and horses a year?
This is beyond human calculation.

Since ancient times, when many famous generals lead small groups of troops to fight, they are usually able to win every battle.Once the number of the army increases, it will lose sight of the other, and will be defeated repeatedly.

Among them, a large part of the reason lies in mathematics. The chaos of mathematics leads to abnormal scheduling, which in turn affects the whole army.

Suddenly, two lines of clear tears welled up from Zheng Xuan's eyes, and he choked up while wiping the tears:

"Chao Wendao, Xi can die..."

"Wooooow, that's great, the old man decided to stay in Shangdang County to study arithmetic!"

At the same time, all the scholars also made up their minds and asked each other:
"Brother Xun, how long do you plan to stay?"

"Three years, how about you, brother Shentu?"

"Six years! How about you, Brother Chen?"

"I'm going to write a letter to move my wife and children here,"

"Fuck, you're the one who is ruthless!"

……

Zhang Yang quickly got the answer he wanted, and all the fourteen celebrities who came chose to stay, which made him have nowhere to arrange them for a while.

The population of Shangdang County is too small, and there are even fewer civilian jobs left.

Due to the small population, there are few chores, such as repairing bridges, repairing roads, teaching and educating people, and other simple chores.

Otherwise, it's just dealing with official duties, but Shangdang has a lot of waste to do, so how can there be any official duties?
He knew that he couldn't handle it because he was uneducated, not because the affairs of Shangdang County were so difficult.

According to the marshal, a scholar can handle the official affairs of Shangdang County.

But now fourteen celebrities have come, first-class celebrities!
what to do?This stumped him.

Fortunately, Cheng Yuanzhi, who was far away in Luoyang, gave a suggestion to set up Shangdang Minmin Academy and teach for a fee.

Let this group of scholars study arithmetic while teaching common people's knowledge, and take out one or two people to handle official duties by the way.

In this way, the remuneration of the scholars is provided by the tuition fees, and the department where the scholars work is Shangdang County. While there is no burden on the county, it has also introduced talents, popularized education, and gained a good reputation.

Simply the best of all three!
Zhang Yang was overjoyed and hurriedly followed suit.

He is a military general, and he doesn't have so many detours in his work, so it only took half a day for Shangdang Minority Academy to be established.

Unexpectedly, this move has won unanimous praise from scholars and common people.

For a while, there were so many followers, and the people in the city stuffed their half-grown children into the academy one after another.

They are so enthusiastic, not because they realize the benefits of being educated, but because the prefect Zhang Yang said that for those with excellent grades, the county will bear all the tuition fees.

Those who do not get better or lower grades, the full tuition fee
Students with poor grades who want to stay in the academy will have to pay double tuition.

Previously, the county was full of waste, chasing after trivial matters, Zhang Yang hadn't realized the beauty of being a prefect at all.

But today, he realized it.

The tedious paperwork was handed over to the scholars, and the matter of military training was handed over to Zhang Liao and others. He became a hands-off shopkeeper, as long as he talked, he could sit back and enjoy his achievements.

On such a good day, Zhang Yang just wanted to look up to the sky and laugh wildly, suddenly felt that the sky was blue and the earth was vast, and the birds were singing and the flowers were fragrant.

Even Mrs. Zhang, who hadn't touched her for a long time, suddenly had a strong urge to touch her.

Even the insomnia that has been bothering me for a long time is showing signs of recovery.

(End of this chapter)