Differentiation and integration are a set of addition and division, so let's think about a set of subtraction and multiplication! 20231126

Hello. This is Tenfu from Seito Shijuku. You may have encountered the concepts of acceleration, velocity, and distance in physics. After all, adding acceleration equals velocity and adding velocity equals distance, right? Here we have the idea of ​​differentiation and integration, but if we consider integration to be addition, then differentiation can be thought of as division. Integration is used to find the area under a curve such as a quadratic or cubic function, that is, the area between the curve and the x-axis.

On the other hand, differentiation calculates the tangent to a curve, that is, the slope of the curve at a certain point. If the property of adding up a certain area of ​​an integral is an addition type, then finding the infinitesimal range of a differential can be a division type.

What I find strange here is that the addition type and division type are combined. When we think of sets in arithmetic and mathematics, we probably think of addition and subtraction, multiplication and division. Addition and division are far removed from addition and multiplication, and it is possible that differential and integral calculus also means addition and division. So, we took it one step further and asked if there was a set for multiplication and subtraction .

For example, suppose the addition type provides the expression 4+4+4. The sum is 12, so let's do division. 12/4=3 or 12/3=4. Looking at the solutions of 3 and 4, there are either three 4s, or "if you combine the three, you get 4."

If we look at the relationship between multiplication and subtraction here, if we subtract 3x4=12, we get 12-4-4=4. Or 12-3-3-3=3. In other words, 12-(3-1)x4=4, 12-3x(4-1)=3. How about applying this to 5a?

It seems that you will experience culture shock when you go on an archaeological excavation overseas! Today's learning outcomes 20231126

Hello. This is Nada from Seito Medical School. I read about a quarter of the archeology book today. When I think of archeology, I have the image of excavating gold and silver treasures or works of art from ruins such as pyramids. The excavation target is not only important for jewelry, but also for human bones. Human bones contain a lot of information, and we can analyze a lot of things, including the cause of death and the cultural attitudes toward the dead at the time. Of course, since I live in Japan, there are things that I can't even imagine in other countries. Is sacrifice one of them? By applying sheep's blood to one's body, one is asking the sheep to sacrifice oneself in one's place. If I were an archaeologist, I might take a step back. However, it's amazing to be able to travel around different countries and do work that I love. It seems that it requires more delicacy than just sitting and digging in the soil as we imagine. There are still about 200 pages left in this book, so I'll report back soon after I finish reading it.

Today's learning outcome: We assumed that the mechanisms of breathing and pulse can be expressed by gravity and homeostasis.20231123

Hello. This is Nada from Seito Medical School. I read about three papers today.

The first paper was about the degree of attachment to one's area. We collected statistics through questionnaires and used statistical analysis to determine whether certain elements were related to each other. The second paper is about science during Newton's time. Copernicus' heliocentric theory was brought to the Inquisition and considered heretical. However, by the time Newton invented calculus, the separation between science and religion had progressed. What left an impression on me was that Newton was the reason why physics came to be expressed in words called mathematical formulas. In my opinion, science has been inextricably linked to religion, and things that science cannot understand at all have been considered to be God's providence. Only God knows the mechanisms that even current science cannot explain. I will read the third paper again tomorrow and explain what I thought of it.

Overall, it's a good idea to read the ones that come up on Google Scholar in order from the top, but it might be a good idea to look for papers that look good so you can get some points. . Today I pointed out that the mechanisms of breathing and pulse are gravity and homeostasis. It was a memorable day. Also, I think I'll post what I learned and noticed tomorrow as well. See you soon.

Breathing and pulse mechanisms, gravity and homeostasis 20231122

On and off movement due to gravity and homeostasis. Gravity causes the air you breathe to fall into your lungs. Let's call this the ON movement. On the contrary, homeostasis works to restore the body to its original state. Let's call this an off-movement. Next is the case of blood vessels. Gravity acts as a force for blood to fall. Let's call this the ON movement. On the contrary, there is a force that tries to return to its original state through homeostasis. Let's call this an off-movement. This repetition of on and off movements is connected to breathing, pulse, and other up and down movements.

This is how I assumed breathing and pulse.

How to invest 30% of your money and buy more if the performance is good, don't put all your eggs in one basket! by Nada 20231122

Hello. This is Nada from Seito Medical School. This time, instead of purchasing 100%, we will try purchasing 30%. I hope you don't have the horrible experience of buying 30% of a watermelon and only finding out the skin.

When you pick up a new product, do you ever wonder whether to buy it in a big box or a small box? When I buy a new product, I buy it even if I spend a certain amount of money if it catches my eye. Suppose there is a large size and a small size. If you miss this opportunity and buy a small box, you don't know if you will have it the next time. So, I buy a big box just in case, but when I take a bite and realize that it was a mistake, it would be a waste to throw it away, and it might be painful to eat the rest.

The same goes for investing: do you put all your money on the line and stick with it, or do you buy 30% of your money and see how it goes before buying more? Which one is better depends on each person. However, single point bets have a strong gambling element and can be said to be high risk and high return. On the other hand, it is better to watch the situation and buy it in stages if it looks good, because you can see the progress along the way, so it is lower risk and lower return.

I know the saying, don't put all your eggs in the basket. If you drop the basket, all the eggs will break. This egg story recommends diversified investment, but if you bet all your money on the stock of one company and unfortunately that company goes bankrupt, if you just bought the stock, you won't be in debt. , you will lose all your funds.

There is also a method called dollar-cost averaging, in which you buy a certain amount more each time period. In that sense, dollar-cost averaging invests a fixed amount regardless of a company's performance, so it is a little different from the method I'm talking about, where you buy based on a company's performance. If you have a stock that you're interested in, you can try buying 30% of it, and if it's good, you can buy more, or if it's bad, you can sell it. It takes a lot of courage to put all your money into one stock. Therefore, it is safe and low-risk and low-return to increase the amount of investment flexibly according to the situation at the time while keeping an eye on the company's situation.

If someone wants to start investing in stocks, it is safer to start by practicing demo trading. Of course, it's just practice, so you don't need to spend any money, but the advantage is that you can enjoy investing as if it were a game. If you are interested in stock investment, it may be wise to start with demo trading and then diversify your trading using the 30% rule during actual trading. See you soon~.

There are four types of companies: stock companies, limited liability companies, limited liability companies, and partnership companies. 20231120

[Today's report]

Hello. This is Tenfu from Seito Shijuku. I plan to use my blog as a notebook. I would like to write down what I studied during the day as "learning content", record it every day, and create a report of about 3 A4 size pages in about a week.

<Learning content for 2023/11/20>

I read a book on corporate law. There are four types of companies: stock companies, limited liability companies, limited liability companies, and partnership companies. LLCs, limited liability companies, and partnership companies are called membership companies. In a stock company, shareholders are called members to distinguish them from employees. A corporation is made up of shareholders who hold shares. On the other hand, in a membership company, equity, which is the status held by the employees, is important. Among these, a limited liability company is a form of company taken by foreign companies such as Amazon, Google, and Apple that operate in Japan.

A corporation has three characteristics. The first is the separation of ownership and management. The management and shareholders are separate, and the shareholders with money ask the professional management to run the business. The second is the transferability of shares. In principle, shares can be freely transferred. The third issue is the ``limitation of shareholders.'' This means that shareholders will not be liable for more than the principal amount invested.

I'm tired today, so I'll stop here.

If you plan your work properly, you can control it to a certain extent! ? Let's go back to basics! ! by Nada 20231120

Hello. This is Nada from Seito Medical School. What is important in promoting your work? The first thing is to wake up by 8am. There's a sense of tension that comes with having to walk into the rush hour with a piece of bread in your mouth even at 8am. By the time you finish eating the bread, you'll probably be drinking morning coffee at the station shop.

・Make a plan for your work

・Make a plan and work backwards from your goal to proceed with your work

・A job that looks like it will be finished soon turns out to be extremely

difficult Work that is outside the scope of work

- As long as you make a plan, you can control it to a certain extent

- The project is beyond your control

- Joining a hot project

- Returning to the basics

Another thing to do is to plan your work. When should you use the golf course during your work schedule? For this reason, there is the issue of when is the best time to make reservations for the golf course. In this way, work that requires extremely mental strength, such as entertaining golf while at work, requires planning and working backwards from the goal. When planning entertainment at a golf course, the first step is to make an appointment with your superior at the other company and ask them about the dates and times they are open. Negotiate with the golf course so that you can be on time for that reservation and have a golf time open with your superior.

However, the seemingly quick task of reserving a golf course can be surprisingly difficult. What do you do when the golf course is busy and you can't get reservations? In that case, you will need to consult with your superior again. Rather, you may need to check several days when the golf course's schedule is open and decide if there is a date that looks good from among them. The higher up you are, the more likely your superiors are to have free time in their schedules, so in a sense it may be more difficult to coordinate schedules than it is to get a hole-in-one.

In fact, if the golf entertainment job was extremely difficult, it would be outside the scope of my current abilities, so if I had completed the mission, even though it was difficult, I would have been able to improve the level of my work. can.

However, regardless of golf entertainment, I think that if you plan your work properly, you can control it to a certain extent. If the project gets out of hand, it will become a flame-out project and it will be difficult to put out the fire. Even mistakes that don't seem catastrophic at first glance, such as late delivery, can cause you to lose credibility depending on the other party, and you may not be able to secure future contracts.

Also, if it's a simple task, you may get started on it straight away without making any plans. This is a death flag, so I recommend making a planner, even if it's just a simple schedule. Of course, if your job is single-tasking, where you just go straight ahead, you might be able to aim beyond the horizon. Please let us know what's on the other side of the horizon. I'll serve you some tea. However, most of the work is multitasking, with many people sharing their roles.

When I get stuck at something, I go back to my basics. I would like to tackle multi-tasking work with planning rather than trial and error. When buying a stuffed bear in Dreamland, it is wise to think carefully about whether you can return it in installments before purchasing. See you soon.