Chapter 115 Returning to Beijing pragmatically (Part 2)
The capital is still the same capital, the only difference is that it is warmer than the previous days, the spring flowers are beginning to bloom, and the wind is intoxicating.
A banquet was held at Gao Gong's house as a welcome to Gao Guoyan and others, and to cleanse them from the dust. In the inner hall, in addition to Gao Gong, Mrs. Gao Zhang also attended as an elder, but she actually just came forward to say
After saying a few polite words, he left the table early. After all, among the people who came this time, only Gao Guoyan was a junior member of the Gao family. The rest, no matter what their seniority, were just servants of the family. Gao Gong stayed to eat with them, which was quite a feat.
Therefore, it is not appropriate for the hostess to stay at the banquet as the hostess of the favor given to the servant.
After Mrs. Gao left, everyone began to eat. Because Gao Gong was there, everyone did not dare to be rude and talking while eating was not allowed, so they had to finish their meals in silence. As an elder, Gao Gong himself said to Gao Guoyan
A few words of encouragement.
After the meal, it was time to chat. After the servants cleared the table, Gao Gong asked Gao Guoyan about his father's situation. After hearing Gao Guoyan say that his father had expressed that he was about to ask for a job, Gao Gong seemed a little worried.
Trance.
Brothers Gao Guoyan and Gao Pragmatic looked at each other without saying anything to disturb his thoughts.
After a while, I heard Gao Gong sigh slightly: "People will always grow old. I just hope that when I am old, I can look back on my life in my spare time and not feel that I have missed too many opportunities or have too many regrets.
, this life is enough."
Gao Guoyan was not familiar with his third uncle and did not dare to speak up when he heard the words. Gao Guoyan was different. He immediately persuaded with a smile: "Third uncle, you have grasped the opportunity now. If you want to leave no regrets,
Now is the time.”
Gao Gong was stunned for a moment, and then he smiled: "Yes, you are right, but Third Uncle, I am old, and I can easily feel emotional..." He paused slightly, then stood up suddenly: "I am also old.
It’s nearly a year, and I don’t know how much time I have left to serve the Ming Dynasty and serve His Majesty loyally. Pragmatically, you and Guoyan are brothers, so you can talk slowly.”
Gao Guoyan stopped talking. Even Gao Jingshi didn't expect that Gao Gong would suddenly feel so emotional about the fact that his second brother was about to retire. He seemed to be even more focused on official duties than before.
He couldn't help being a little surprised, but he couldn't persuade him anything, so he could only say: "San Bo, although you have to do things, you must also take care of your body. After all, the body is the revolution... No, I mean, the body is the capital of revolution. You
If you are too busy and something happens to your body, then you have really missed something important!"
Gao Gong laughed, waved his hand and said: "I know that my body will probably not die in the next few years. You should not worry about these things at a young age... By the way, I see that you have been doing a lot recently, eh
...You don’t want me to emphasize what I said to you that time? No matter how many things you have to do, you have to prioritize them."
Gao Jingshi was afraid of hearing this, so he hurriedly said: "Yes, yes, third uncle, my nephew understands, understands."
Gao Gong glared at him, but considering that he had indeed not fallen behind in his recent studies, and with her status, it was hard for her to say anything unreasonable, so she had no choice but to let Gao Pragmatic master this degree by herself. She shook her head and left on her own.
.
Several people at the table naturally stood up to see each other off, and Gao Gong waved his hand casually: "No need to say goodbye, you can chat." After saying that, he walked away, which was quite cool.
After sitting down, Gao pragmatically saw that Gao Guoyan seemed a little curious about his third uncle's behavior, so he couldn't help but touch his nose and explained in an awkward manner: "Well, third uncle's behavior... has always been, uh, always chic."
Gao Guoyan was a little cautious when facing Gao Gong, but of course not when facing Gao Jingshi, his younger brother. He smiled and said: "I heard that Jingshi wrote a book called "Long Wen Whip Shadow", which was highly praised. Now he takes it as his book.
It is really gratifying and congratulatory for me to be the crown prince's companion and to be admitted to the Hanlin Academy."
Gao pragmatism naturally responded with a few words of humility. Gao Guoyan added: "It's a good thing that you are good at reading. Unlike my brother, I have never been interested in those classics and poems. I just prefer mathematics. There is nothing in this life."
I’m counting on it.”
Gao Pangshi hesitated for a moment and asked, "Brother Sanhuai, will you not participate in the tribute examination in the future?"
"I won't participate." Gao Guoyan said, hesitating for a moment, and then added: "At most, I can only pass the examination to be a scholar, so as not to be unable to speak anywhere."
Gao pragmatically said: "In fact, numerology is an extremely important knowledge in the world. From the revenue and expenditure of the imperial court to the expenses of the people, which one is not related to numerology?"
Gao Guoyan was a little surprised when he heard these words, and asked: "Why, pragmatic people also know something about mathematics?"
In his opinion, since Gao Pragmatic can be valued by his third uncle in terms of knowledge, he must be an excellent reader of scriptures. In his eyes, such people are devoted to the way of sages, and they are not interested in mathematics.
"Tricks and tricks" and even "fantastic tricks and cunning" are just something to be dismissed with disdain. Why is this little brother of mine so unreasonable?
Gao Pingshi said: "There are many different skills in the world, but calculation is the foundation of human beings. Knowing the book but not knowing the calculation is like being in a dark room and feeling faint."
Gao Guoyan was shocked: "Do you know my teacher?"
Gao Pingshi pretended not to know, and said with a surprised look on his face: "Your teacher? Who is that? How do I know him?"
"Oh, yes, but what you said... is also a coincidence. My teacher also said exactly the same thing."
Gao Pragmatic smiled: "Then I can only boast that 'heroes think alike'."
In fact, the last time Gao pragmatic heard that Gao Guoyan had a teacher with a business background, he was already very surprised. Later he heard that his teacher was named Cheng Dawei, and he was even more surprised. Later, he recalled it carefully and finally remembered
Who is this Mr. Cheng?
This person is really a rare talent in the Ming Dynasty - and the kind of rare talent that Gao Pragmatic considers "rare".
Because, he is a mathematician.
Cheng Dawei, named Rusi and nicknamed Binqu, was born in Xiuning County, Anhui Province (now Huangshan City). He was born in a small businessman. He was smart and studious since he was a child. He especially loved mathematics and often spent a lot of money to buy arithmetic books.
This chapter is not over, please click on the next page to continue reading! When he was about 20 years old, he took advantage of the opportunity to go out to do business and invited him to travel to Wu Chu and visit famous teachers. He met "a scholar who is very knowledgeable in mathematics and is always asking questions, and he is tireless."
. He lived in a small county town and attached great importance to land surveying. He once created a "measurement cart" and made drawings passed down to the world.
Historically, after Cheng Dawei was forty years old, he was tired of traveling, so he "returned and thought about the water for the remaining twenty years." He carefully studied ancient books, interpreted their meanings, reviewed their methods, and read them everywhere.
The heads of each family, coupled with their own experiences and experiences, finally wrote the seventeen volumes of "Shu Tong Zong" (formerly known as "Zhizhi Shu Tong Zong") in the 20th year of Wanli. In the following six years, the book was deleted and its complex text was deleted.
Fu, revealed its essentials, and wrote it into four volumes of "Algorithm Compilation Essentials", which were published successively in Xiuning.
In "Algorithm Tongzong", the first and second volumes are the basic knowledge used in the whole book; the third to twelfth volumes are a compilation of solutions to various application problems, and each volume is basically titled with the chapter name of "Nine Chapters of Arithmetic";
Volumes 13 to 16 are "Problems". In fact, the algorithms are very simple, but the conditions are expressed in poetry; they are relatively obscure; Volume 17 is "Miscellaneous Methods". All kinds of problems in the book use abacus, which was used by Cheng Dawei.
A set of concise and smooth abacus addition, subtraction, multiplication, and division formulas and prescription methods, which have always been used in the supreme and pragmatic time travel.
This book systematically summarizes various abacus calculation methods in Chinese history and becomes a relatively complete abacus calculation book. Its completion and widespread circulation marked the completion of the transformation from calculation to abacus calculation in the history of Chinese mathematics. Cheng Dawei himself was also famous for this.
He is known as the "Grand Master of Abacus". The familiar sayings such as "Two and one add to make five" and "Three and five divide by two" all came from him.
When Gao pragmatic thought about this at that time, he felt that he could almost pick up treasures on the roadside. Since his second brother was his disciple, first of all, his own level would definitely be the same, and more importantly, his own level would be the same in the future.
"Great cause" requires a master of mathematics like Cheng Dawei!
