Yan Fei didn't lack computers, but the ones he had were all picked up incidentally and weren't exactly presentable, so he still needed to buy one.
As for what Yan Fei planned to do with the computer he was buying, Yang Xing vaguely had some guesses. So, he fully supported Yan Fei's decision, to the extent that when Ren Fei came over to make small talk after they got off the plane, Yang Xing couldn't even be bothered to respond.
At this moment, the memories in Yan Fei's head were extraordinarily valuable, and Yang Xing didn't know that Yan Fei had already recorded those memories. He was still worrying that with every second passing, Yan Fei might forget one more formula.
A formula from a scientific experiment might sometimes be discovered and validated by pure chance, but more often, it requires countless trials and an unknown amount of manpower and resources to deduce.
