"Let me sort out, you currently use the concept of 'infinity' in two situations. The first is to calculate the area of ​​the curve, and the second is to calculate the tangent of the curve."

Gottfried analyzed for Ella on paper. He had been blown into pieces by Ella's memory before, but to drag this, he fully understood the mathematical work Ella was doing, including Ella's own coordinate system and functional formula.

Ella tempted and found that he could not remember anything else in Ella's memory except mathematics. In his own words, it was "too large, if you remember it, you will really die. You can only deliberately not understand them and let them flow out of your memory."

"When calculating the area of ​​a curve, you use countless triangles or squares to approximate it, and calculate the sum of the areas of these infinite triangles or squares. This is a calculation in a field that is too numerous to infinite. We might as well call this method "integral"; and when calculating the tangent of a curve, you use two points that are infinitely approximate to calculate it in a field that is too subtle to infinite. We might as well call this method "differential""

"Integral...differential...why are these two nouns used?"

"This involves two concepts of Kabbal magic. Integral, meaning complete and complete, refers to the perfect whole composed of infinite properties. Differential, meaning difference, refers to the infinite unique individuals emitted by the perfect whole. The reason why I named it this way is that through the study of these two mathematical methods, it may be possible to make people approach the perfect god."

When he was tied up in a cave by bandits, Gotfried introduced to Gregory that in addition to books such as "Trails of Chariots" and "Bulle Temple", the ancient Abraham church also approached the gods by practicing Kabbalah. Compared with the former, Kabbalah's practice method was much more popular in the ancient Abraham church.

Ella nodded her head as though she understood. No matter what, she felt relieved that there was someone who could communicate with her.

"Differentiality is much simpler than integral. Unfortunately, the tangent of the curve does not seem to have any practical significance. So what we need to solve now is integral - calculating the area under various curves. Is that true?"

"Well. If possible, I hope to find a general way to find the area of ​​a curve and get rid of the dependence on geometry completely."

So Gottfried assisted Ella in conducting a study on points.

Gottfried's geometry intuition is far superior to Ella and has richer experience. The problem that Ella needs to solve with function operations, Gottfried can directly solve it using geometric methods. This even began to make Ella suspect that functions are mathematical tools that only fools would invent.

At the beginning, they went very smoothly. Gottfried's knowledge was like a sharp sword, and all kinds of complex problems were solved with its sharpness.

However, no matter how sharp the sword is, there are things that cannot be pierced. As the function becomes more and more complex, the monster of points becomes more and more weird and stronger. Even Gottfried gradually feels that his ability is out of reach.

Gottfried pulled his hair more and more often and exerted more force. If he hadn't been a spirit body now, his hair would have been completely pulled.

Ella's situation is the same as Gottfried, and she is frowning all day long.

After many days and nights, a noisy sound pulled the two of them back from their mathematical contemplation. The spirits of the ancient church of Abraham fled everywhere in panic, and in front of them, Jogbe's spirits were rushing towards them.

"No! There must be something wrong! Why can't I pass the fifth heaven? I have read all the things written in the book carefully!"

Yogibe screamed loudly, as if he was already crazy. He was very fast, and the other spirits could not dodge at all, and soon one of them was caught by him. He just pinched his hand and the spirit body exploded and shattered. Yogibe raised his head and accepted the knowledge from that spirit body intoxicatedly.

"So that's it, my book has a missing paragraph. And you want to practice it before me."

Joggibe muttered to himself and suddenly burst into laughter.

"Okay, okay, you are amazing, and it will not be safe if you become a spirit body. Then I will tear all your spirit body into pieces! Come on, and give me all the knowledge you carry!"

"Advisor! Don't stand there stupidly!" Habiba shouted to Gottfried from a distance, "The Gnostics are obsessed with practicing their own spirits, and our spirits cannot beat him no matter what!"

However, Habiba's reminder came too late. Before Ella could get up, Yogibe rushed to Ella with red eyes and kicked Ella.

Ella felt a huge force tearing her from all directions. As the two spirits collided with each other, her spirit could no longer maintain its original shape and was torn to pieces.

Yogid once again raised his head intoxicatedly, wanting to enjoy the knowledge from Ella's spirit.

"Here, come... differential, integral? What the hell? Functional... Coordinate system... Analytical geometry... Eurotype geometry... celestial observation record..."

Not long after, he opened his eyes in horror.

"Bastard, so much...where did so much come from? And it's all trash that is useless! Get out of my mind, get out of my mind!"

As more and more knowledge poured in, his whole body began to twist, as if he was about to be unable to maintain his shape.

Habiba seized the opportunity and shouted: "Quick! He can't hold on anymore! They all rushed towards it!"

"That..." someone asked carefully, "Is it okay to rush over?"

"If it is not enough to make him explode, we will explode ourselves. But if we wait for him to recover, we are all finished! The spirit body can be restored if it cracks, but after he learns the "Carriage Climbing Technique" he will definitely solve our body! In order to learn the "Carriage Climbing Technique" before him, at least one complete spirit body must be preserved!"

"let me!"

The old man's spirit had just recovered like Gotfried. But after Habiba said this, he immediately rushed towards Yogibe without hesitation. After a collision, his spirit broke into pieces again, and Yogibe's screams became even more tragic.

"Road... everyone rushed towards him!"

Inspired by the old man, more and more spirits rushed towards Yogibe in suicide. During the repeated collisions, Yogibe's body became increasingly unshakable. When Gottfried also charged towards him, he finally couldn't bear it and shouted:

“l-a-l-d-a-b-a-o-t-h (Son of Chaos)!”

Gottfried crashed into a blanket. Yogibe's spirit body had returned to his body. He looked around, including him and Habiba, and there were only five people left intact.

Habiba shouted: "He dare not come, but he will definitely seize the time to practice. Soon, we will race against time!"

"That... Master, what will happen to everyone else?"

"Many fragments of spirits remain on Yogibe. If Yogibe continues to let his soul reach the sky, they will somewhat resonate... but they have mastered the spell of protecting the body and should be able to survive it."

"But that girl did not master this spell! And her spirit body was incomplete. The flames, whirlwinds and heavy rain around the Supreme God will definitely destroy her completely!"

"Don't worry about her!"

"How can you ignore her! Master, think of a way to save him!"

Seeing that Gottfried could not let go of this matter at all, Habiba sighed and said in a low voice: "Disciple, this matter involves taboos, I will only tell you... In fact, according to some sporadic records that have been erased from official history, what everyone sees when practicing the "Type of Chariots" is completely different...even including the appearance of the Supreme God."
Chapter completed!