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Mental math "tricks" and "thinking hacks" [1] are a couple shortcuts I'm trying to cram in order to be more productive with my aging wetware.

The first chapter is several memorization techniques, all related to hanging vivid associations to numbers, keywords, and physical spaces.

[1] Hale-Evans, Ron. 2006. "Mind Performance Hacks."

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As first expounded by Matteo Ricci, a 16th/17th-century Jesuit missionary to China.

https://web.mit.edu/uricchio/Public/Documents/media-in-trans...

Thank-you. I need to work up to that. The first two hacks map numbers to rhyming words and numbers to shapes.

A couple modifications to the "memory palace" include (1) expanding each room to 10 numbered slots: each wall, wall meeting wall, and floor plus ceiling; (2) an entire hotel of rooms from the Dominic method.

There's also behavioral hacks, math tricks, and a bunch of others that I had never been exposed to.

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