The Guildmaster of the Alchemy Guild, Arte Roffelman

Arte Roffelman, the guildmaster of the Alchemy Guild, was overwhelmed with awe, feeling the convenience and power of using a human calculator as if it were her first time with a computer.

"This can be calculated in your head?"

"Yep."

"Wow, then how about this?"

"Here’s the answer."

Just input the problem, and the solution comes out instantly.

"Could you solve this one too…?"

"Well, that one’s beyond me—I don’t know alchemy."

"Then how long would it take to read this book?"

"If it’s not too difficult, maybe about a minute?"

Even …