"What did you just say? "Zhou Bi Suan Jing"?" Lan Tian suddenly sat upright.
"Yes...yes, what's wrong? What's wrong?" Zhao Shuang scratched his head.
"Mr. Junqing knows arithmetic?" Lan Tian's tone suddenly changed when he asked.
It stands to reason that Hu Ke would not kidnap people indiscriminately. Mathematics is a very important basic subject in the first three main courses of Lantian's original university in time and space. He has been looking for mathematical talents since Quanling Academy. Unfortunately, he has not found them for so many years, so regardless of Whether it was the Mongolian School or the current Guangzhou Academy, there was never the condition to set up a mathematics department.
Ancient mathematics textbooks include the ready-made "Nine Chapters of Arithmetic", "Zhou Bi Suan Jing", etc., but there are no annotations and it is very difficult to understand. Although Lan Tian is a graduate student in agriculture, he can't remember much mathematics knowledge because it has been too long, so he wants to do it from memory. It is really difficult to produce a set of mathematics textbooks.
Zhao Shuang nodded slightly and said a profound word: "I understand..."
There are two explanations for a little understanding, one is that you really understand a little bit, and the other is a humble expression that shows you are very strong. Lantian intuitively thinks that Zhao Shuang belongs to the latter, and he can still understand a little bit if he can study "Zhou Bi Suan Jing" ?
Lan Tian suddenly glanced at the account book on the table, so he walked over and flipped through it in his hand. There were really no regulations in the accounts of Wusheiji. He felt dizzy after flipping through two pages.
"Since Mr. Junqing is the accountant, can you help me sort out Shuiyue Trading Company's accounts for last month?" Lan Tian asked, pointing to the account book.
At this time kE*NshuF*aNg .C oM Zhang Si. Zhao Shuang didn't understand what Lan Tian meant. How could he ask himself to sort out the accounts after reviewing them? However, he was humble and dared not disobey, so he picked up the account book and started sorting it out.
Lan Tian asked Gao Shun to find Wushei to get a new account book. After Zhao Shuang listed a few items, he began to do mental calculations, and then kept filling in numbers in the account book.
Shuiyue Commercial Bank's main position is to connect with Hu Ke of Jianye, so it sells products from Jiaozhi and Nanhai to Jiangdong, and purchases basic materials such as rice and meat for sale back to Guangzhou. Its scale and volume are far beyond that of ordinary commercial banks, and the number of accounts in a month is large. Up to thousands.
Zhao Shuang calmly sorted it out page by page, and finished last month's accounts in less than half an hour. When he handed it over to Lan Tian, he felt very puzzled. The import and export of goods from Shuiyue Trading Company was not small, but after counting the whole month, he was very puzzled. The profit is less than 20%.
He lamented that the Yue people were honest after all and knew how to make small profits but quick turnover when doing business. Han merchants would never be like this. After all, the risks of long-distance shipping are quite high.
Lan Tian picked up the old and new account books and compared them, and found that Zhao Shuang was indeed an accounting expert. He was able to organize and classify the messy account books in such a short period of time without using any auxiliary tools, which showed his mental arithmetic ability.
Looking at the numbers on the account book, Lantian suddenly frowned, thinking that although recording in capital letters was accurate, writing and calculating would be very complicated.
Zhao Shuang saw Lan Tian's solemn expression and asked himself whether his calculations were correct, so he raised his hands and asked carefully: "May I ask the Lord, if the common people's calculations are wrong?"
Lan Tian shook his head, "Mr. Junqing is indeed good at mathematics, but it is not convenient to use these numbers to calculate and record."
"This has been like this since ancient times. Could it be that the Lord has another way?" Zhao Shuang said in surprise.
Lan Tian picked up a pen and wrote down the characters from zero to ninety on the account book, then marked them with Arabic numerals under the characters, and finally pointed to the row of Arabic numerals and said: "We might as well use simple symbols instead."
"What's the point of this?" Zhao Shuang was even more confused.
Lan Tian smiled slightly, "Let's give an example and calculate it and you will understand."
Lantian tore off two pieces of paper, first wrote in capital letters on one piece of paper: 145,397, 86,733, and then wrote in Arabic numerals on the other piece of paper. .
"Sir, are you comparing your mental arithmetic with me?" Lan Tian handed the paper with capital letters to Zhao Shuang.
Zhao Shuang's mental arithmetic: I'm not as good as you as an official. Calculation is my specialty. He started calculating immediately after getting the question sheet. Within a few breaths, he started writing the answers.
Lan Tian started writing with him almost at the same time, but Arabic numerals are convenient after all, so when he finished writing 232130, Zhao Shuang had not finished half of the answer.
"Ah, this..." Zhao Shuang stopped writing to look at Lan Tian's answer. As expected, it was exactly the same as the answer in his mind. He immediately raised his hands and saluted, "Fu Jun is so good at mental arithmetic, Shuang feels ashamed..."
Lantian replied with a smile: "It's not that my math skills are better than yours, it's just that this set of symbols is the same as the calculation. If you don't believe me, how many more times can we try?"
"Uh...it's better to be respectful than to obey..."
Facing the temptation of the fun of calculation, Zhao Shuang actually forgot about his situation. After several calculations, he discovered the magic of new numbers.
After Zhao Shuang came to his senses, he actually felt grateful to Wushei. If the other party hadn't forced him to come to Guangzhou, he might never have had access to this knowledge in his life.
"It was only then that I was enlightened by Mr. Fu. I wonder if this set of symbols has a name?" Zhao Shuang admired Lan Tian very much.
"Uh... let's call it Xinshu..."
Lan Tian remembered that Arabic numerals were created in India and were eventually spread by the Arabs. He really didn't know the specific author. At this time, he could only admit it shamelessly because he planned to take out the abacus when numerology became popular.
Block printing and movable type printing have been requisitioned, and adding an abacus makes it less painful. Lan Tian believes that it will benefit all mankind anyway, and it doesn't matter if it is sooner or later. Compared to other male protagonists who crazily copy poems Wen, I should be considered relatively restrained.
"What a new number, it will definitely promote the advancement of math." Zhao Shuang looked very excited.
Lan Tian saw that the foreshadowing was not too bad, so he said meaningfully: "Shuiyue Trading Company kidnapped good people privately, and I will definitely punish them severely."
Zhao Shuang quickly begged for mercy: "Shuiyue Trading Company operates with integrity and does not compete with the people from the accounts. Shopkeeper Wu is just looking for talents in a wrong way. He also took good care of me along the way. I have decided to be the accountant here." , please ask the master not to..."
"Jun Qing is so kind. I think you are a great talent in numerology. It's a pity to be a mere accountant. Don't you plan to return to Jiangdong?" Lan Tian asked with a smile.
"Because my family is in decline and I have an old mother, wife and children to support, I have no choice but to become a bookkeeper. Shopkeeper Wu promised to give me five times my salary..."
After Zhao Shuang finished speaking, he lowered his head. Normally, he should be a scholar, but facing the pressure of life, he could only give in for five buckets of rice. The offer from the other party was too high.
"But what about your wife, children and mother?" Lan Tian asked again.
Zhao Shuang choked and said: "I can only ask the shopkeeper of Wushu to help me pick it up, and the cost will be deducted from the salary..."
Control the big one and control the owl. Lan Tian shook his head, "It's a shame that cows chew peonies. How about I hire you to Guangzhou Academy with the same salary? You only need to be responsible for annotating numeracy classics such as "Zhou Bi Suan Jing" and "Nine Chapters of Arithmetic" and teaching young students. Numerological knowledge.”
"Guangzhou Academy?"
Zhao Shuang had heard of this name, which was despised by the Jiangdong family, but the high salary allowed him to do what he liked, and he felt filled with joy instantly.
"Are you willing?" Lan Tian asked again.
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