What is the definition of Manually Math?

Manually math means to solve a problem or calculate something using pen and paper, not a calculator or your brain's super-fast math genius. It's like telling someone to "do the math" but instead of a calculator, they're just trying to solve equations with a pencil and some absurdly complex math problems.

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Here's an unsettling example sentence using it: "In the dark of the night, the creepy old man decided to manually math his way through a 7x9 grid of fear, hoping to avoid the monster lurking in the shadows."