Math Story - How Computers Multiply

Ahem—.

I cleared my throat for a moment.

Up to this point, these are methods a well-trained person could use.

But Arin's talent is on another level, so she can use an even more amazing method.

“Then, the third step.”

I wiped the whiteboard clean and looked at Arin.

“Arin, you know the Karatsuba algorithm, right?”

“Yeah! You taught me last year, Unni!”

“And you even used it on TV, right?”

“Hehe. Yeah.”...