Books

Mental Math

The Secrets of Mental Math: https://amzn.to/3Ep9UZi

Painless Mental Math: https://amzn.to/4czZEtW

Be a Human Calculator: https://amzn.to/3Ypemyb

Dead Reckoning: https://amzn.to/3EwqKW3

Speed Mathematics: https://amzn.to/4jgxmqQ

Short Cut Math: https://amzn.to/4cvbVQ6

The Trachtenberg System of Basic Mathematics: https://amzn.to/3RiO50k

Mathematical Thinking

Build a Mathematical Mind: https://amzn.to/3Y3u41z

Mathematical Thinking: https://amzn.to/3EcsOTg

How to Solve it: https://amzn.to/3GdMyXi

How Not to Be Wrong: https://amzn.to/44e9Nuj

Calculus, Linear Algebra, Physics, Higher Math

Book of Proof: https://amzn.to/42yz6EL

How to Prove It: https://amzn.to/42LJieg

Calculus in 5 Hours: https://amzn.to/4jchyFq

No Bullshit Guide to Math and Physics: https://amzn.to/3E8BsSM

No Bullshit Guide to Linear Algebra: https://amzn.to/4jb7E6X