Mental Mathematics

Brought to you by Penguin. Time and time again, great thinkers like Warren Buffett and Charlie Munger have credited their success to mental models: simple representations of how the world works that can be applied in a wide array of contexts. Mastering a small number of these concepts enables...

Ryan Wright is founder and CEO of a principal trading firm whose traders include veterans of Jane Street, Point72, and DRW. In The Art and Business of Professional Trading, he argues that the amateur's obsession with predicting price direction is a trap. In a market dominated by algorithms and...

Math is not only the game of numbers but also the language of nature. As a matter of fact, it has been established through research that the more we understand our universe, the more we discover interesting mathematical connections. For instance, flowers have spirals that are carefully lined up in a special sequence of numbers commonly referred to as Fibonacci numbers. This sequence can be studied, understood, and generated.

Will you pay more for a $19.99 shirt with a 20% discount or a $24.99 shirt with a 30% discount? Can you quickly calculate how many eggs you’ll need to make 100 pancakes if your recipe says that 2 eggs make 20 pancakes? Can you work out how much a $30-per-month gym membership will cost over 24...

From the New York Times bestselling author of Clear Thinking and Farnam Street founder, Shane Parrish. The third book in the timeless Great Mental Models series. Time and time again, great thinkers such as Charlie Munger and Warren Buffett have credited their success to mental...

Do you want to become mentally sharper and quicker? Do you want to be able to save time and calculate large numbers on the go while you're shopping or adding up a bill at a restaurant? Do you want other people to notice how you seem to not need a calculator, how you seem like such a genius? If yes, then this audiobook is for you. Mental math is the ability to solve math problems in your head, without the need to write or use a calculator. And it has all of the benefits implied above and much more.

From the New York Times bestselling author of Clear Thinking and Farnam Street founder, Shane Parrish. The fourth and final installment in the timeless Great Mental Models series. Time and time again, great thinkers such as Charlie Munger and Warren Buffett have credited their success to mental...