The cement test cannot be done for the time being. First-class clay or second-class craftsmen, and the court transferred dozens of craftsmen to assist. This is necessary. It is not for Song Jiu's profit, but for the court's profit. In fact, the rough cement at the beginning was also sold to the outside world, and earned tens of thousands of yuan for the court. There are clear accounts in the three departments to check. But these craftsmen had to build houses, even if it was a straw hut. Without them, the experiment would still not work.

Song Jiu continued to wait for news, teaching while continuing to perform other experiments and supervising the construction of the opera house. In addition, he would do the same thing, namely the number table, the trigonometric function table, and the density table. Of course, people of this era may not pay attention to it. These will be written into a book, and there are various calculation formulas for area, volume, density, and pressure. This may be very important to this era, and all aspects are inseparable from measurement, including volume, weight and area.

If this formula is not available, I guess I can't sell any of this book.

The most difficult thing in the middle is the trigonometric function. You can’t get a degree angle with a ruler, so you have to use the folding method to slowly correct it bit by bit, forcing a degree angle. With a degree angle, you can use the ruler to draw a half-degree angle, two-degree angle, three-degree angle, and even all angles.

Then slowly measure the size of each edge and divide it with an abacus. The first one must have the angle and the second one must have the exact measurement. It is not accurate to single digits, but four digits after the decimal point. This requirement makes students suffer.

It took a whole year to do it.

Basically, it is impossible to accurately count four digits after the decimal point, but it is impossible to make mistakes when the two digits after the decimal point. When it reaches the third digit, Song Jiu dare not make any promises. But this is the world's first standard trigonometric function table. With it, mathematics gradually becomes systematic rather than the empirical way of the past.

It's almost out, this is the last verification.

Song Jiu was at home and counted them one by one. He calculated them one by one. There were countless drawings, and each drawing had a large triangle. If it wasn't big, it wouldn't be accurate. At least the error of these triangles would not exceed one degree of zero.

In fact, it is 005 degrees, which is also terrible. With the angle error, the function error will be even greater.

Song Jiu got out of the vast drawings and kept rubbing his temples. The Pan family brothers and sisters walked in from outside, and Pan Weide was instructed by Tian. Pan Lian'er sneaked out and dragged Pan Weide to the school and started practical classes together. There were not many students in the school, so the brother and sister came together. The Song family was easier to enter, and there was a main entrance, but there was no doorman guarding the door, so they quickly slipped to the backyard. Pan Lian'er went to Yuping. Pan Weide went upstairs to find Song Jiu.

Pan Weide waved to Song Jiu. Song Jiu came out, Pan Liande pulled him into the living room below, and Yuping was making tea. Pan Weide said, "Jiulang, my mother asked me to ask you something."

"What's up?"

"Your family is not big, where can I put the dowry?"

It cannot be said that the area is not large. The area is not small, although it is not as big as the Pan family. It is just ten large classrooms occupied by them. This is a problem. When Song Jiu was thinking of a solution, Yuping said, "Let's do this, there is an empty classroom in front, and let them squeeze it and empti the debris in front. My mother Li and Cui'er slept in Shundian first. It's really not possible. The inn business is off-season. There are many empty rooms, so it is my control. It is not a violation of the rules for me to sleep in it. Then you can move out twelve houses."

But not too much. If the Pan family had too much dowry, Tian would have to save face, talk about pomp and simplify it into a complex team. A team of thousands of people could not put down the twenty-two empty houses.

Pan Weide said, "Madam Yu, take me to see."

It must be seen, otherwise I am really unsure. The two families have a divorce. Yuping got up and took Pan Weide to see the room. She has a good temper, is smart, has a wide range of knowledge, and has taught herself accounting and arithmetic with Song Jiu. The inn and Shundian allowed her to manage it in an orderly manner, which made many yamen respect it very much. If the two had not settled their affairs early, some yamen would have been able to marry her back as the wife. After negotiations between yamen, including the future opera house, they also agreed to let Yuping manage it. It was really uneasy for others to manage it.

When they left, Pan Lianer whispered: "Bad man, my mother is so worried at home."

“Why?”

"She is worried about the dowry."

"What's so worrying about..." Suddenly, Song Jiu laughed. He had never thought before that Pan Mei would do it big and be shameful. One was to show it for the Zhang family, and the other was to show it for her colleagues. At least the son-in-law I chose was not bad. Song Jiu followed his instructions.

Fortunately, the Hezhou business and Liuli business were better than he thought. For this reason, Song Jiu once again expanded the Liuli workshop. Now there are more than 290 workers and craftsmen in it. Expansion is a good thing. You can make more money, but it expands quickly and is too hasty. Not only are there many people, but there are more workshops and more affairs, and all kinds of mistakes have occurred. This is the situation that Song Jiu dislikes the most. It is done because of one word, money.

Song Jiuzhen didn't think of what the Pan family was like. Pan Lian'er reminded him that Song Jiu only thought of the Pan family's difficulties. The Pan family could use nearly 60% of their betrothal gifts, and some could not be used to compensate for their marriages. This is an exchange of gifts and gifts. Also, the matchmaker's not counts, those are all small money. Her family also has to ask people to carry them, and other various personnel, which also cost money and waste all kinds of waste. If the Pan family wants to be faced, dowry is more luxurious than dowry, and the Pan family will have to spend at least 20,000 or 30,000 yuan.

A part of the gift will be solved, but the gifts given are gifts, not money. Some can be turned into money, but once in and out, they will lose several percent. Some cannot make gifts, or they are worthless. For example, some handicrafts and jewelry processing products, and they will make money and silk at least lose more than half. Are you willing to waste this way? The Pan family will not lack money, but it is probably difficult to directly take out more than 10,000 yuan in cash.

"Don't laugh. My second brother spent a lot of money on getting married in spring, and my mother went south to use a lot of money. For the sake of dowry, my mother forced the big brother out of the savings."

Song Jiu still laughed loudly, and after a while, he said, "If you want to blame, blame your father. The word "money" made me feel uncomfortable."

Before Tian could react, Pan Lian'er had already settled the small account at home. Don't think that Song Jiu was just talking. If he took out 50,000 yuan to study what kind of mud, the Shunzhang store would open a lot of tables. Maybe trouble would occur.

When Song Jiu saw her frowning, he said again: "Liang'er. Don't worry, I have a way to solve it for your family."

"My mother wouldn't ask for your money, what did that become."

"It's not to be ritual, there's a ritual behind it."

That is wealth, goose cakes, wine and tea, and rich families add a few pieces of color forging. There are not many gifts, one simple and two light. A few people pick and carry it. But there is one important thing, that is money. Common people use silk as money, one or two pieces of silk, and then it becomes one or two pieces of silk. The rich people use silver in boxes, and put a ingot of silver into them, and carry it to the woman's house. In fact, Song Jiu suspected that Tian was unable to think of a good idea at home, and was embarrassed to borrow it from others. Who told her husband to ask her to hold a wedding like this? So he deliberately let the wind in front of Pan Lian'er and asked Pan Lian'er to come to him.

Song Jiu said again: "In this way, I will choose another auspicious day and send the gifts in a few days."

"How can that work?"

"Liang'er, don't worry, by May next year, I will have a lot of money in my hands. So much is enough to make you go from gold to Haizhu."

This sea bead refers to pearls, which are pearls produced in the sea. Some of them are large and more expensive than jade. Often, some extra large ones can reach thousands of scoops per pill. Pan Lian'er raised her small pink fist and hit Song Jiu. However, Song Jiu also rejected this marriage method, which is too luxurious. Not bad. I don't know how much money a cement will cost, but how much will it be to study cement? A glass research also costs a lot of money, but how much money can glass earn back? Besides, there are two types of acid production and low cost. But this cannot be said.

The beating didn't hurt, and in turn, Song Jiu took the opportunity to take advantage of the oil. Every time they met, Song Jiu would take advantage of it. Now the two of them are natural. As long as they don't touch the bottom line, Pan Lian'er will let him go. Pan Lian'er's body softened a few times and said, "No, there is still one month left."

"What's OK?" Song Jiule shrank his hand. Pan Weide was still looking at the house. He had to see how big it was and how many things he could put. It was not piled up or put the dowry up, and it was placed one by one. It also had to leave space. It had to be clear in mind.

At this time, another guest came to the Song family. When Pan Lian'er saw him, she immediately frowned. It was the national uncle Wang Jixun.

Song Jiu also said coldly: "I have seen Wang Dalang and the distinguished guest is here, why do you ask for advice?"

"Show you something." Wang Jixun took out two things from his arms.

"Gem?" Pan Lian'er asked strangely.

Song Jiu pinched her hand and told her not to speak, then looked at Wang Jixun. Wang Jixun said, "Twenty thousand yuan is worth it."

"Uncle Guo, where are you robbing money?" Pan Weide saw him coming and walked over. He happened to hear this number and couldn't help but shout.

"No bargaining," Wang Jixun put them in his arms again. Regardless of Song Jiu's opinions, he poured a cup of tea from the teapot and sipped slowly.

Song Jiu sighed and said, "Wang Dalang, you are indeed robbing money."

The dishes in the main store are expensive, but there are reasons for their expensiveness. Not to mention the luxurious arrangement of tableware and various activities to enjoy, the dishes themselves are also expensive. For example, when stir-frying vegetables, you must choose high-quality vegetables, and then keep the heart of the vegetables. The ingredients selected for a vegetable are less than one-twentieth of the ingredients, and the soup is not possible. In the store, it is impossible to use water to make vegetable soup. It is also possible to use various expensive ingredients, such as ginseng and scallops, and then use bones and chicken to slowly make the soup sweat, and use them to make vegetable soup. Whether it is a gimmick or not, the taste is indeed delicious. Just like that chicken soup, it costs five yuan per bowl, it is really a ten chicken that is ready to be cooked. After cooking the soup with a pressure cooker, boil it with thick heat and thick gauze to remove the oil sauce on it. Even high-end products such as deer antlers and ginseng are added. Not only is it extremely delicious, it will also be very special to people. Therefore, it is sold at such a high price.

Shundian is an exception. This is the entire Song Dynasty, and even the Southern Tang Dynasty, Wu Yue.

Other stores cannot imitate it even if they want to imitate it. There is nothing else. Is there a place where the scenery or buildings? There are grades inside and outside, so that the dishes can be sold at grades.

But that's it. If you encounter a stingy person, go in and order cheap dishes, and eat and drink well for two people. It's enough to have twenty or thirty pieces of money, and you can enjoy it once. Of course, it's hard to say that you can order rare and expensive ingredients such as bear's paws, flying dragons, and even tiger meat. Besides, they don't have to be made, and they are very valuable in themselves. You can't really sell a few hundred cents of fried vegetables.

Moreover, these ingredients are not used after taking them. For example, after the chickens are boiled in soup, they will not be sold again, but will be eaten by the servants in the store. They can't finish eating and pack them home for their families to eat. Sometimes, in order to gain fame, the servants deliberately take guests to visit, and what is the price, so the guests come and eat it and feel worth it.

This is a special case.

Then there is the price of jewelry. Song Jiu's glass products were just released. The customers bought them back as jewelry. It was so big that it was only more than one thousand coins. A male tiger skin was worth ten coins because the skin was good, and the flowers were thick, black and beautiful. The female tiger skin was worth only a few hundred coins because the flowers were thin and thin. A large crystal of a large water jar that was more beautiful than a real gem was worth only ** thousand coins. A very large rare sea bead with a length of more than one inch was worth only two or three thousand coins. Usually, the best sea bead was worth five or six hundred coins per pound in the capital. Song Jiu said that Pan Lian'er was the price of a sea bead. If it was converted into a sea bead, it was still the price of a sea bead.

The total weight of the two diamonds in Wang Jixun's hand is only 100 carats, which may be a little more. However, in this era, diamonds are not valuable. Occasionally, they appear in India, Africa. The smaller ones are mostly thrown away, and only the larger ones are sold as inferior gems. If Song Jiu had not used it, its price would not be as high as the high-quality red and blue-green gems. In other words, these two diamonds would never have been more than one hundred coins, and they were even worth only twenty or thirty coins in the southern market.

I don’t know where Wang Jixun got it. When he saw that Song Jiu wanted it, he had no use in his hand. It was better to slaughter Song Jiu. But it was too ruthless. If it was said that three or four thousand pieces of money was about the same, he would say that it would be 20,000 pieces of money and he would not bargain.

However, Song Jiu really needs it.

After drinking a cup of tea, Wang Jixun said, "Jiulang, I don't care about 20,000 yuan, but if you don't agree, I will throw them into the Bian River immediately, and you can send someone to catch them slowly."

This psychopath can really do it.
Chapter completed!