Peerless: Which Good Person Is Reborn with Calculus?

[In the early stage, I borrowed Shrek to develop and protect myself, and returned to the family without entering the inner courtyard. If you don't follow the group, you will seize opportunities, and you will not be a saint. Feng Yang, who was about to take the retake calculus exam, died suddenly in his dormitory and accidentally traveled across the Douluo Continent to the peerless Tang Sect period. "No, who is a good person who is reborn with "Calculus"!?" "A good sword? What can be more cheap than mathematics? A name? Since it's so cheap, let's call you mathematics." PS: This is my first time writing, please give me your support. (◕ᴗ◕✿)