Miss Sylvia smiled, turned to the next page, and asked Shade to continue reading.

On the next page are some pencil sketches with dense letters written next to them:

"Solid geometry? Madam, although I am not very good at this, but you have already selected the coordinate system and reference points, I think it is not difficult to solve this."

He picked up his notebook and hastily drew a few auxiliary lines. After being in this world for only half a year, these skills were no longer unfamiliar to him.

"very nice."

The witch nodded again and finally turned to the last page:

"Look at this, I think this might be a little difficult."

Shade continued to look and found that the things written in cursive letters on the notebook looked very familiar:

"Morse unfolds?" (Chapter 201)

In the native land of Outlander, this is actually called Taylor expansion.

"You know this?"

The young witch was really surprised this time. Shade nodded:

"In the summer, I attended several academic lectures and reports held in the Tobesk University District. I didn't expect that you would also understand this."

Miss Sylvia looked at him carefully:

"You are much smarter than the girls of the Anjou family. I have always believed that learning mathematics well can make the way of thinking of the ring magician more rational, logical and organized. Moreover, basic mathematics, geometry, and rituals have always been inseparable.

.”

She put away her notebook:
Chapter completed!