Chapter 1

The first line Old John typed in the document was the mean value theorem.

Jiang Qi watched Old John typing out words and formulas that were so familiar yet so unfamiliar on the document, and he felt like he was dreaming back to a year ago.

At that time, he had just started reviewing advanced mathematics. Before the review, he thought he remembered everything. But after opening the book, he found that he had misunderstood his own abilities.

That's not called reviewing advanced mathematics, that's called relearning.

"The content of the mean value theorem can only be taught in half a class." Jiang Qi thought that Old John had been looking at so much information these days and wanted to select the key points for live explanation, but he didn't expect that Old John would actually start from the beginning.

Mean value theorem, finding limits, squeeze theorem, Lagrange...

If he really talks in this order, Jiang Qi suspects that in ten days Old John can only talk about L'Hôpital's rule.

"The exam is in half a year. At this time, candidates have basically finished reviewing the first round of advanced mathematics and should start reviewing the second and third rounds. Old John, if you choose to start from the beginning, I'm afraid no one will read it." Jiang Qi said uncertainly.

Old John kept his hands moving and said, "I will speed up the easy parts at the beginning and try to finish them in one day, focusing on the important and difficult parts."

Jiang Qi:?

Finished in one day?

“How many hours a day do you plan to stream?”

Old John thought for a moment and said, "I'll make a PPT today. I can also make a PPT when I have time at work. I'll live broadcast from 6:00am to 12:00pm every day, for 6 hours."

Jiang Qi: ...

I'm sorry, he has a narrow mind.

Jiang Qi feels that even an ordinary anchor who broadcasts live for 6 hours a day is considered hardworking, not to mention Lao John who does advanced live broadcasts.

He teaches for 6 hours a day!

Assuming that one class is 45 minutes long, Old John teaches eight classes in a row a day. He is a contemporary model worker. Regardless of whether the teacher will die suddenly, the students can't stand it.

Jiang Qi didn't disturb Old John and let him work on the PPT in peace.

To make a 6-hour lecture PPT in one go, especially one that is accelerated, wouldn’t it be around 100 or 200 pages long?

Old John has worked so hard, Jiang Qi feels that as a boss he cannot fall behind.

Jiang Qi called Jiang Wanwan.

Jiang Wanwan probably hadn't woken up yet. When the call was connected, she sounded confused. She asked Jiang Qi in a daze, "Hello, Brother Jiang Qi, is there a customer who suddenly came to the store and asked me to come over to open a book? Why are you calling me all of a sudden?"

Look, what a touching spirit of dedication. Before she knew it, Jiang Wanwan was also assimilated by several big shot file collectors in the store.

"No, Wanwan, let me ask you a serious question. Do you take advanced mathematics in the postgraduate entrance examination?"

"Of course we do." Jiang Wanwan yawned, "But the advanced math test for our major is Math 3, which is relatively simple. I heard they said it mainly tests calculus, linear algebra, probability theory, and mathematical statistics. Brother Jiang Qi, why are you asking this? Do you want to take the postgraduate entrance exam for our major? Isn't it a little late for you to prepare now? Can you pass the major courses?"

"I'm going to take the postgraduate entrance examination for my major. Why would I have nothing better to do than to take the exam for accounting?" Jiang Qi said with a smile, feeling that the situation was not very good.

Even if Old John lectures at the speed of a rocket, he cannot talk about probability theory, which is the content of advanced mathematics.

"Is there anyone in your class who has taken Mathematics 1?"

"Yes, there are seven or eight. If you want to take other majors, you have to take Mathematics 1." Jiang Wanwan didn't understand why Jiang Qi asked this. "Brother Jiang Qi, if you have anything to say, just tell me directly. I'm not awake yet, and I can go back to sleep after I finish talking to you."

Jiang Qi: "...It's like this. I have a host who is very good at teaching postgraduate entrance examination mathematics. Please recommend him to your classmates who need to take the Mathematics 1 exam. This host will start live broadcasting from tomorrow, from 6:00 am to 12:00 pm every day for 6 hours. If your classmates need him, please recommend him to them."

Jiang Wanwan agreed vaguely and hung up the phone decisively, probably taking the opportunity to go back and continue sleeping.

After contacting the free towing company, Jiang Qi went to contact a professional company that required money.

He did not contact Fang Jing directly, as such a small order was not enough to alarm the boss. Jiang Qi sent a message to Zhou Yuan to ask how much it usually cost for their company to promote a host.

Zhou Yuan, who had already started working and was slacking off, replied immediately and directly sent Jiang Qi a price list of meal packages.

It’s quite expensive.

Jiang Qi didn't even look at the deluxe special package with many zeros at the end, and picked from two very cheap basic packages for newcomers.

As a promotion company, Zhou Yuan and his company are of course best at advertising.

Text-based promotion is the cheapest, and the promotion price of a single video is not expensive, but the promotion of anchors is ridiculously expensive.

Jiang Qi studied it carefully and found that there are three main ways to promote anchors: brushing the charts to increase popularity, attracting traffic from external sites and online following.

Brushing the charts and finding big anchors to follow each other online are not suitable for Lao John, and the prices are too expensive for Jiang Qi to afford. External traffic is not cheap, but it is calculated based on the amount of advertising. Some people have more money and some have less money.

Jiang Qi was just hesitating when Zhou Yuan called him on WeChat.

"Boss Jiang, do you want to attract customers through live streaming? If you want to do live streaming, I don't recommend it. If you really want to attract customers through online platforms, you can shoot short videos. This way, the cost is relatively low and it is more cost-effective to spend money on promotion."

"Would your boss mind if you called me during work hours?"

"Of course not. I'm working. Am I not discussing business with you, Boss Jiang?"

"It's not my store that wants to do live streaming to attract traffic. It's a friend of mine who has the time and interest to do live streaming recently. But he is afraid that the live streaming effect will not be very good at the beginning, so he wants to spend some money to increase the data, preferably to attract some real attention."

"Oh, so that's it..." Zhou Yuan was stunned. She didn't expect that there are still such rich and willful people in this day and age.

"If that's the case, Boss Jiang, your friend doesn't need to spend money to brush up his data. When a new anchor starts live streaming, the platform will give him a small recommendation position to help attract traffic. Anyway, your friend just wants to play around, so there's no need to spend this money."

“It’s very expensive for anchors to attract traffic.”

Jiang Qi explained: "It's mainly because my friend's live broadcast is of a special type and has a very precise positioning. He is afraid that even if the platform gives him a small recommendation position and helps him attract traffic, no one will watch it."

“What does your friend want to do live?”

"He is teaching advanced mathematics for the postgraduate entrance examination live. He is working on a PPT now." Jiang Qi took a look at the progress of Old John's PPT. "He has already finished 13 pages."

Zhou Yuan: ???

What?

Live online classes and randomly selecting lucky students?

"Could it be that your friend..."

"Yes, my friend is Mr. John's former colleague." Jiang Qi began to lie. After Zhou Yuan became familiar with the people in the store, she already knew that old John was a university teacher.

"I have been teaching advanced mathematics for many years. I was bored during the summer vacation, so I suddenly had the idea of teaching advanced mathematics online."

Zhou Yuan didn't understand, but she was shocked.

"Well...I see...Actually, if it's this accurate, it's not impossible to promote it...Well...How about this, I'll ask other colleagues for you to see if I can get a cheaper price."

"Okay, thank you."