Alok and his companions looked at each other in bewilderment. Originally, they thought that the end of the world was complete nonsense, but after Lin En's careful analysis, it seemed as if it could really happen.

Fortunately, Lin En quickly said something to comfort him. "But generally speaking, the possibility is very small. Even a legendary wizard probably can't affect a massive star from such a long distance. As for an asteroid hitting the moon? The probability is much lower than that of a fire lion suddenly giving birth to a dragon."

Only then did Alok breathe a sigh of relief. He almost believed that the end of the world was really coming.

Compared to the apprentices who treated the doomsday remarks as a joke, Lin En felt something was wrong.

The legendary wizard Faiz, known as the "Power of the Dragon", had just been attacked, and so-called doomsday rumors began to spread in the city of Greenriel, which made Lin En suspect that someone was deliberately creating panic.

You must know that doomsday and salvation are the only way to absorb faith.

This has been proven many times in previous lives.

This kind of organization named after a sect immediately reminded Lin En of the Holy See. However, normally, pagans should be more hated by the Holy See than wizards like them.

Lin En couldn't help but shake his head. Although he had a mouthpiece like the Magic Daily, the parliament's attention to public opinion was obviously far from enough. If someone dared to do this in Yieta Harbor, he would have sent people to arrest and torture all those guys who spread doomsday remarks.

"Master Lin En, we have finally reproduced it!"

At this moment, in the small workshop in the manor, Darren, with his head covered in dust, rushed out in a hurry. There were several holes burned on his dirty robe, and he looked quite embarrassed. However, he was holding several pieces of transparent glass in his hands, and his face was full of joy.

The apprentices present gathered around impatiently. Each of them picked up a piece of glass and looked at it carefully, as if looking for something.

"There are no flaws at all this time!" Darren said confidently. Before, when they made glass according to the method given by Linn, there were always many bubbles remaining inside. It took him several days to overcome this technical difficulty!

Lynn took the glass from Darren, looked at it for a few seconds, nodded with satisfaction, and then asked, "Where is the paper I asked you to make?"

"We are already in the final ironing and cutting process. We will see the results tomorrow, at the latest tomorrow!" Darren said excitedly. The techniques that Lynn taught them can only be described as magical!

Those paper sheets that look lighter and thinner than white swan feathers are actually made from wood that can be found everywhere!

If he hadn't seen Lin En turn a pile of sand and stones into glass with his own eyes, he would have thought that the other party was joking with him.

Lin En then looked at Johnny and the others. "How about you? How are you doing with the engraving magic I taught you?"

"I can now record forty-one words at a time!" Alok said proudly.

"I can only remember thirty-seven words." Peirce shook his head.

Then the two of them looked at Johnny.

"Sixty-nine!" Johnny said after a moment's hesitation.

Alok and Pierce were immediately shocked at the huge gap. They didn't know that their companion had already become a formal wizard. They thought that Johnny's last display of prowess was due to the power of the alchemical tool [Magic Hand].

In fact, recording sixty-nine words at a time was not the girl’s limit, but about three hundred words.

“Very good, in that case, you can start recording today!” Lin En handed over the organized theory of universal gravitation and two Olympiad mathematics books.

The so-called engraving magic is a new zero-ring witchcraft he developed. Even apprentices can use it. Its principle is similar to movable type printing. It is necessary to construct a corresponding template in the brain first, and then the corresponding magic mark can be engraved on paper pages, parchment scrolls, and desks.

In other words, every wizard who has learned the magic of engraving is a human printing press, and its power is determined by its computing power.

“Professor, the questions you gave are too difficult!” Alok took a book titled [Advanced Olympiad Mathematics], flipped through a few pages, and after thinking for a moment, his entire face wrinkled together. There was only one thought left in his mind - is this really a question that can be solved by a human?

"A few days ago, a master of Mathematics in the [Arcane Society] asked me to find a group of wizards with excellent talents in mathematics to jointly solve a difficult problem in the Mathematical Olympiad. The questions I set are to screen out these people, so they are naturally more difficult." Lin En explained.

Of course, this was just an excuse. In fact, he was planning to use this as an excuse to recruit a group of wizards with amazing computing power into the magic field!

Chapter 171: Can humans really solve these problems?

The powerful monsters that had inexplicably appeared in the magic stone mine recently and the doomsday sect that suddenly appeared made Lin En smell a hint of danger.

The former was not something he could worry about. If those legendary wizards couldn't solve the problem even if they joined forces, then adding himself would be of no help.

The latter is a problem that the current manager August needs to consider, but Lynn will not rely entirely on others for his own safety, so finding ways to improve his own strength and deal with potential threats with ease has become a pressing matter.

Continuing to improve his wizard level is undoubtedly the best choice, but he has just been promoted to a second-ring wizard not long ago. Even though the huge power brought by the [Eye of Death] has not been completely exhausted and his magic power is still in a stage of rapid growth, there is still some distance before the next promotion.

Therefore, Lin En had no choice but to start from other aspects. For example, like when he fought against Hellram, with the help of the computing power of nine three-ring wizards, he could even briefly compete with a five-ring wizard!

Even though Hellram was tricked by him at that time and suffered the backlash of magic, and the strength he could exert was only about 30% to 40% of his original strength, it was still enough to crush the power of ordinary formal wizards!

It is precisely because of this that in the days since arriving in Greenrill, in addition to preparing materials for lectures and experiments, Lin En spent most of his time making a new [Mystic Ring].

As a distinction, these newly made rings are not as gorgeous as the ones given to Harof, and they will not teleport the people who wear them to [outside of time and space], but to a planet in the magic realm. Recently, the intelligent computer is working frantically to come up with a second gathering place as soon as possible.

In the end, Lin En decided on the number of people who would enter the magic field this time to be twelve!

The reason for limiting the number is that his brain has limited capacity, and the more computing power mobilized, the better.

Secondly, the magic field is in the stage of being newly built. If too many people are recruited at once, it will be difficult to deal with if something is exposed.

As for the legendary wizard Harof, who had entered the magic realm before, Lin En didn't dare to let the intelligent computer try to crack the other party's mental frequency. After all, the gap in strength between the two sides was too big, and it was very likely that he would be discovered. Those three-ring wizards were his real targets.

By then, with the [Deflection Field] as protection and [Space Vibration Wave] as a means of attack, even if facing a great wizard, he will definitely not be completely defenseless.

……

Two days later, at noon, in Greenriel City, a temporarily rented magic shop was already surrounded by people.

"Is this a glass mirror?" A young witch picked up a palm-sized round mirror in amazement. The smooth and flawless mirror surface perfectly reflected her beautiful face. Her fair skin, red lips, and even the hair floating on her forehead could be seen clearly.

Almost instantly, the witch was captured. She looked at the mirror over and over again and was reluctant to put it down. In addition to being able to clearly reflect her face, the glass mirror itself looked like a work of art.

However, the high price still made the young witch hesitate. It seemed that the higher the quality and the larger the glass mirror, the higher the price.

A life-size glass mirror costs as much as twenty magic gold coins!

Even for a wizard, it is not a small number!

"My beautiful witch, this magical glass mirror is very limited in quantity and the production process is extremely complicated. For example, there is only one piece left of the largest life-size glass mirror. We don't know when the next batch will be produced. If you miss it today, you don't know how long you will have to wait..."

Darren, who was in charge of the sale, talked incessantly, explaining to the witch in front of him the scarcity of the glass mirror. He repeatedly emphasized that the production of this thing was very low, and there were countless people rushing to buy it. If she had come a minute later, all the mirrors would be gone.

Seeing this, the young witch dared not hesitate any longer. She gritted her teeth and immediately took out all her savings, a total of thirty magic gold coins, to buy the largest life-size mirror and a small round mirror that she could carry with her.

Darren happily opened the drawer and piled the magic gold coins he had just earned into it. In just half an hour, the entire drawer was filled with shining golden coins.

The hunger marketing method that Master Lin En talked about is simply amazing!

In order to target apprentices and civilians with insufficient purchasing power, in addition to the most popular glass mirrors, they also made many equally exquisite glassware - teapots, teacups and even trays, usually ranging from seventy silver coins to five magic gold coins. However, compared with the extremely low production cost, it is no different from robbing money.

But this is not the case for the other wizards. These exquisitely crafted glass products that look like works of art are undoubtedly symbols of identity and status, so a trend of purchasing glass products soon swept the city of Greenriel.

There are also many savvy wizards who want to buy them in bulk and then resell them to other cities in the wizarding land at high prices.

Also sold out were the two books, "Introduction to Mathematical Olympiad" and "Advanced Mathematical Olympiad". In addition to wizards who were curious about the thin and white pages, there were also many people who read the books just for the Mathematical Olympiad.

Tik is one of them. When he listened to Lynn's Olympiad mathematics class at Yieta Harbor, he was deeply shocked by the exquisiteness and rigorous logic of this subject, and naturally he was very interested in Olympiad mathematics.

So this time, when he learned that a master of arcane mathematics from the [Arcane Society] planned to invite twelve official wizards who were extremely talented in mathematics to discuss a difficult problem in arcane mathematics together, Tick immediately became interested.

He was very confident that he could become one of the twelve. After all, compared to other wizards, he had attended Olympiad mathematics courses for two months in advance and laid a solid foundation.

Thinking of this, Tik didn't even look at the so-called [Introduction to Olympiad Mathematics], and directly opened the more advanced [Advanced Olympiad Mathematics]. However, after seeing the first question, he paused.

【求指数公式1^2+2^2+3^2+4^2……9999^2的和!】

After repeatedly confirming that he had not read the exponential symbol wrong, Tik couldn't help but gasp. From adding 1 to the square to 9999 to the square, and he was required to calculate the total, just writing down the complete formula would fill up dozens of pages of manuscript paper. He would probably have to work non-stop for ten days or half a month, and he might not be able to get the answer!

This is just the first question!

Does it have to be so difficult?

Chapter 172: The Concept of Calculus and the Sudden Attack

Tik was completely confused. He thought that he had studied Olympiad mathematics for two months in advance and had sufficient knowledge, so he should be able to solve Olympiad mathematics problems with ease.

But this first question stumped him.

If this equation stopped at a few hundred or a few thousand, he could still work it out slowly, but the final value was 999,900,000...

No, there must be some pattern!

Tik reacted quickly. When he was in Yieta Harbor, Lin En had played a board game of exponential summation, which was also a very complicated calculation. However, through a wonderful exponential formula, he easily simplified the originally complicated calculation process to the point where an apprentice could figure it out in a short time.

Thinking of this, Tik picked up the feather pen and started to calculate quickly on the manuscript paper. He listed the products of the first ten columns of exponents on the paper, and then added them up one by one, repeatedly pondering the similarities and differences between each value.

【1、4、9、16、25……】

【5, 14, 30, 76...】

Tik bit the end of the quill and pondered. Numbers flashed through his mind. He tried to substitute the exponential summation formula he had learned in the Mathematical Olympiad class, and compared the result with the value he found. He then kept changing the formula to find a correct answer.

No, ten numbers are too few, not enough to confirm the pattern...

Tick's feather pen kept shaking on the manuscript paper. Numbers and symbols were written one after another, but were quickly crossed out and the calculation started again.

Page after page was thrown to the ground, slowly covering the ankles.

Before he knew it, it was already daybreak. Tik had already counted an entire afternoon and a night. His eyes were bloodshot, but his spirit was becoming more and more excited. Finally, he stood up suddenly, unable to control his excitement.

"So that's it, that's it!"

It was like a person walking in the desert, hungry and thirsty, suddenly seeing an oasis. Tik was full of energy and took another page of manuscript paper, matching the previously calculated values ​​with the answers calculated using the formula one by one.

"They are all correct, my formula is correct!"

Tik was extremely excited. He imitated Lynn's exponential summation formula and solemnly wrote down line after line of formulas on the paper.

【Sn=1/6(n+1)(2n+1)n】

After finishing writing, Tik sat down again, feeling extremely relaxed. The feeling of discovering unknown rules and summarizing them made him indulge in it.

Tik couldn't wait to look at the next question.

[Five monkeys found a pile of peaches on the beach and decided to divide them up the next morning. The first monkey arrived the earliest, but he couldn't divide the peach into two equal parts, so he ate the extra one. The remaining peaches were exactly divided into five parts, so he took his part and left.

Then the second monkey arrived, and unaware that a monkey had already been there, he also ate one, then divided it into five equal portions and kept his own portion.

The third, fourth, and fifth monkeys do the same thing. They eat one peach, and the remaining one can be divided into five equal parts. How many peaches are there in total?

When Tik saw the question for the first time, he breathed a sigh of relief. Isn’t this just a simple equation?

The frog jumping into the well, the snail sliding... He had seen the apprentices do this many times when he was at the Iyeta Harbor. All he had to do was to substitute a few unknown numbers into the formula and perform the calculations.

But it was not until he picked up the pen to start the calculation that Tik suddenly realized something was wrong, because the conditions given by Lin En this time were too few.

The only thing we know is that the peaches were divided five times, and one peach was subtracted before each division. As for the number of peaches divided each time and how many peaches were left after the last monkey divided them, these are all unknown.

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