Princess Jinyun hurriedly finished eating, and came out to find Li Xiang. Li Xiang had no choice but to talk to Wei Zheng and them, and then followed Jinyun to the backyard.

In fact, there are a lot of things that can be done for Jinyun to play, but he doesn't have the heart to get these now, since Jinyun is entangled with himself today, he simply gives himself a day off, and makes the things that can be made out of a basic appearance.

Li Xiang led Jinyun to his house, and of course there was Xiaolian behind. Li Xiangxian kept writing and drawing on the paper with a pen, and Jinyun put his toes on tiptoe, poked his little head, and looked at the paper in Li Xiang's hand with blank eyes. Xiaolian was also curious, standing next to her and tilting her head to look at Li Xiang.

After a stick of incense, Li Xiangcai stopped writing. I picked up the paper and blew it, then looked at it carefully, picked up the pen again and changed some things on it, and added some things, this time it was officially over. Then he said to Jinyun: "Let's go, princess, go to the book workshop and find someone to make these things." Jinyun was able to do it as soon as he heard it, and his little face smiled like a flower, and he nodded again and again.

The three of them went out to the book workshop, just as the eldest grandson Wuji was going back, and Wei Zheng was also going to the book workshop to teach pinyin, so the six of them came to the book workshop together.

The students of the book workshop have been busy for the past two days, Li Xiang settled Wei Zheng to print some other books when he left, but he didn't expect Wei Zheng to divide the students who printed books into many groups, and all the four books and five classics began to be printed. Li Xiang said to Wei Zheng: "Let's let everyone print slowly, if you have such a speed, the quality may not be able to keep up." ”

Wei Zheng asked: "What is quality?" ”

Li Xiang rolled his eyes for a while and said: "Quality is the quality of a book, including whether there are mistakes or omissions, whether there are missing pages, whether there are bad prints and not found, if these problems appear, it will damage our reputation when we sell books." ”

As soon as Li Xiang said this, Wei Zheng understood, so he called a student in charge of this place and told him not to rush, just take your time, and don't make mistakes.

Li Xiang led a few people to spare a few more laps in the courtyard, looked at all links, and found that Wei Zheng was well arranged, so he was also relieved, and asked Wei Zheng how to solve the problem of eating every day for these people. Wei Zheng said that he had invited two cooks to cook for everyone here, Li Xiang nodded with satisfaction, and went to the back of the courtyard to find the carpenters in the house.

When the carpenter saw Li Xiang coming, they all put down the tools in their hands and came over to greet Li Xiang, and Li Xiang asked them all to get together and said, "The book workshop has started to run, and you all have no work left." Then he looked at the carpenter's head in front of him and said, "You used to work outside, how much silver do you get a month?" ”

The man didn't know what he meant, so he looked at Li Xiang blankly and said, "Young master, we are all countrymen, and we don't know whether the silver is more or less, anyway, it's good to have enough to eat." ”

Li Xiang liked these simple people very much, and said with a smile: "Don't be afraid, I don't want to drive you away, on the contrary, I want to give you a long-term job, and you don't have to go outside to take private work in the future." I can give you money every month, and there will be additional rewards for doing a good job, and when you don't want to do it, you can buy a few acres of land on the edge of the city and live a good life. Li Xiang said as he walked into the crowd and patted the youngest carpenter.

As soon as everyone heard what Li Xiang said, they all knelt on the ground and kowtowed to Li Xiang, and said many words of blessing in their mouths, which made Li Xiang at a loss, and asked them to get up one by one, thinking in their hearts what simple people they were. The people got up, and Li Xiang continued: "I don't know which of you has the best carpentry skills, so you can elect a representative yourself, and I will talk to him." ”

The people chose and chose the carpenter who was standing in front of them. This person was a little excited, and walked up to Li Xiang tremblingly, and only after a long time did he say that his name was Wang Dazhu and he had been doing carpentry work for 20 years. Li Xiang was very satisfied with this person, he was an honest man at first glance, and his skills must be good after working as a carpenter for so long, so he said: "I have a few drawings here, can you see how much you can understand?" As he spoke, he took out the pieces of paper drawn in the study from his bosom and handed them to Wang Dazhu.

Wang Dazhu took it and looked at it carefully, and after a while, he said that except for two that he couldn't understand, the others could basically be done directly. It's just that some of the symbols on it don't know what they mean.

Li Xiang smiled when he saw the two pieces that he couldn't understand, it's not that Wang Dazhu couldn't understand it, it is estimated that these people can't understand it, Li Xiang painted a wooden wheelbarrow and a wooden bellows on these two pieces of paper, Li Xiang once saw the servants in the back kitchen to carry food into the kitchen, all of them were carried in two bags by one person, there was a long distance from the back door to the kitchen, and every time there was a lot of food to be moved, Li Xiang wanted to get the wheelbarrow out, so it was much more convenient, In addition, I saw in the kitchen that every time I cooked, I needed someone to constantly blow the fire there, otherwise the fire would gradually go out, so I even got the bellows out.

Li Xiang took the two pieces of paper in his hand first, and then asked Wang Dazhu if there was anything else he didn't understand, and Wang Dazhu pointed to the symbols on the paper and asked Li Xiang. Li Xiang was stunned when he saw it, this blamed himself, he actually marked the size with Arabic numerals on the drawing. So he said: "This is not in a hurry, someone will teach you to know these things in a while, it's very simple, you just need to know how to make these things." Li Xiang said and turned back to the eldest grandson Wuji and said, "Auxiliary, I don't know if you have time to study these numbers I wrote." ”

The eldest grandson Wuji has been there carefully watching every link of the book printing since he entered the courtyard, and the more he looks, the more he admires Li Xiang, until Li Xiang calls him, he reacts, and walks closer to look at the paper in Li Xiang's hand. Some of the patterns on it are familiar, but not exactly the same, and some have never seen them at all, and they don't know what they are. Look at the symbols on it again, and pinyin is completely different, he knows that this is Li Xiang's invention again, fortunately there are only a few symbols here, and he can remember it for a while, so he said: "Li Shizhong, please say it, I can do it." Li Xiang smiled and said: "Auxiliary, can you not call me like that, or call me young master, son, you call me like this, it seems that we are strangers." Li Xiang was not used to the people in front of him keeping calling like this, so he said.

"Oh, that's okay, then I'll call Childe." The eldest grandson Wuji also felt that he and Li Xiang could get closer in this way, so he readily agreed. Li Xiangbian said to the eldest grandson Wuji: "You see, these symbols are called Arabic numerals, which came from a country in the far west, and are used by people there in their daily lives, which is very convenient and practical, and today I will tell you about it, your task is to learn it and teach these people." Li Xiang pointed to the carpenters behind him.

The eldest grandson Wuji listened very carefully, nodded and did not speak, his eyes staring at those symbols. Li Xiangbian told the eldest grandson Wuji one by one how to read it and which Chinese character it corresponded to. After a while, Sun Wuji remembered it, and he was able to count a few digits by inference, Li Xiang couldn't help but think, what is the big man in ancient times, his brain is really good.

Li Xiang said to the carpenters again, he would make the things on those pieces of paper later, especially two of them were toys for Princess Jinyun, and he had to get them right, otherwise he wouldn't want to do anything else today. The carpenters nodded their heads. Then let the eldest grandson Wuji teach them to recognize numbers first, and he took Wei Zheng and the princess to find a room, he wanted to write something, and when he taught numbers just now, he thought that there were still many things to write.

Wei Zheng actually basically recognized all the numbers with the eldest grandson Wuji just now, and when he saw that Li Xiang was about to write again, he leaned over and said: "Childe, do you have any good things, let's write them together, every time it's a little bit, it's not enough to learn." Li Xiangbai glanced at him and said, "It's okay to write it, you have to be able to learn it." After that, he ignored Wei Zheng and wrote it on the paper again.

Li Xiang wrote the addition, subtraction, multiplication and division formulas and algorithms of later generations, and he felt that since the numbers had been written, he simply made the algorithm out, so that he would not need so many accounts when keeping accounts and settling accounts in the future, and it would be good to re-do the account book, so that the income and expenditure could be clear at a glance, and it would also be convenient for his future financial management. And he also wanted to get the abacus out, which was much more convenient than the abacus (Note 1) that people use today.

Every time Li Xiang invented something, it was either to make some money or for the convenience of his family, but what he didn't expect was that the things he invented were often quickly accepted by the public. His tables, chairs, benches, wardrobes and bookcases have long been ordered out by large families in Jinyang City, and now they all pay first and pick up the goods later. And his pinyin is spreading among scholars and literati at an invisible speed. Now many people are waiting for the news inside at the door of the book workshop, as long as Li Xiang has a new invention one day, it will definitely spread the next day, and if the method is not obtained, it is good to have results. So there are really few people in Jinyang City who don't know Li Xiang's name.

When Li Xiang finished writing, the eldest grandson Wuji over there actually finished teaching, which made Li Xiang even more impressed with him. You must know that teaching literati and teaching illiterate people without any foundation are two things, and the eldest grandson Wuji can teach those carpenters in a short period of time, which shows that he must have used some method, which is the difference between smart people and stupid people.

As soon as the eldest grandson Wuji entered the door, he saw Li Xiang writing there again, and when he came to see it, it was still a number, but some small symbols were added between the numbers and the numbers, he didn't understand what it meant, and looked at Li Xiang and wanted to ask. Over there, Wei Zheng said: "The son of the boy wants to teach me these things first, you can learn them later." ”

The eldest grandson Wuji looked at Li Xiang and found that Li Xiang didn't say anything, so he said to Wei Zheng: "If Gongzi doesn't teach you, do you know what these are?" Wei Zheng smiled and said, "I don't know, and I don't think you will know either." ”

Eldest Sun Wuji smiled: "This is not necessarily, if I study it for a night, I will know what these are." As he spoke, he looked at Li Xiang and smiled, but it looked a little weird.

Wei Zheng was speechless, this person was here to lift the bar, so he simply stopped talking. Li Xiang was interested and asked, "Can the auxiliary machine really be understood overnight?" The eldest grandson Wuji thought for a while and said, "Yes."

Li Xiang said "Okay", then gave a few pieces of paper to the eldest grandson Wuji and said, "You can bring it back tonight, and we will meet here tomorrow, and then you will tell me what these are." "Eldest Sun Wuji didn't expect Li Xiang to give it to him, how could such a useful thing be so relieved to be handed over to him. Wei Zheng said beside him: "Why, the auxiliary machine is worried that he won't be able to think of it." ”

The eldest grandson Wuji said with a stalk in his neck: "I'm afraid that I will break what Gongzi wrote, who doesn't dare to take it!" As he spoke, he stretched out his hand and put it in his arms. Everyone laughed together.

Counting chips (Note 1): Counting chips is a kind of counting tool that has appeared before the Spring and Autumn Period and the Warring States Period, in fact, it is a small stick of the same length and thickness, mostly made of bamboo, but also made of wood, animal bones, ivory, metal and other materials, about 270 pieces for a bunch, put in a cloth bag, tied around the waist to carry around. When you need to count and calculate, you can take them out and put them on the table, on the kang, or on the floor. Zu Chongzhi used the arithmetic chip to successfully calculate pi.

ps: Today's cauliflower work has been signed, thank you to all the people who support and pay attention to cauliflower, cauliflower will definitely work harder to complete this work. Friends who have flowers and tickets should not be stingy!

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