Chen Heping was taken aback, looking at the elderly and the young stranger before him:
"Who are you?"
"We are from Rhein University."
Lin Xian introduced himself truthfully and then handed over the book in his hand:
"Mr. Chen Heping, we came to visit mainly to seek your advice on some mathematical problems, which are the contents of this book. I wonder... if you could help us."
"Mathematics?"
Upon hearing the word mathematics, Chen Heping's tone noticeably softened.
He really enjoyed research and learning, but his current environment provided no such opportunities and completely stifled his ambitions.
It's the same in the village. Everyone is caught up every day in the struggle for survival, fighting, and resources... This is not an era suitable for learning and research. Aside from Li Cheng, who often discusses some problems with him, this was the first time someone proactively sought his advice.
Curious, he took the book Lin Xian handed over and looked at the cover:
